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12040190438400 = 2103552192343103
BaseRepresentation
bin1010111100110101001101…
…0001100010110000000000
31120122000211120110220200000
42233031103101202300000
53034231302223012100
641335104230400000
72351606100055215
oct257152321426000
946560746426600
1012040190438400
113922241685053
121425577500000
1369450105c297
142d8a6959db0c
1515d2d64c3900
hexaf353462c00

12040190438400 has 3168 divisors, whose sum is σ = 50735059415040. Its totient is φ = 2814230200320.

The previous prime is 12040190438399. The next prime is 12040190438509. The reversal of 12040190438400 is 483409104021.

It is a happy number.

12040190438400 is a `hidden beast` number, since 1 + 20 + 4 + 0 + 190 + 43 + 8 + 400 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 116895052749 + ... + 116895052851.

Almost surely, 212040190438400 is an apocalyptic number.

12040190438400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040190438400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25367529707520).

12040190438400 is an abundant number, since it is smaller than the sum of its proper divisors (38694868976640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12040190438400 is a wasteful number, since it uses less digits than its factorization.

12040190438400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 12040190438400 in words is "twelve trillion, forty billion, one hundred ninety million, four hundred thirty-eight thousand, four hundred".