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40497408000000 = 2143656731
BaseRepresentation
bin10010011010101000010011…
…00111100100000000000000
312022101111212222211111000000
421031110021213210000000
520302002142422000000
6222044130304000000
711346561344221650
oct1115241147440000
9168344788744000
1040497408000000
11119a3944061606
124660804000000
131979b73713a13
14a00129380360
154a366d000000
hex24d5099e4000

40497408000000 has 2940 divisors, whose sum is σ = 179069362882816. Its totient is φ = 8957952000000.

The previous prime is 40497407999963. The next prime is 40497408000001. The reversal of 40497408000000 is 80479404.

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

It is not an unprimeable number, because it can be changed into a prime (40497408000001) by changing a digit.

It is a polite number, since it can be written in 195 ways as a sum of consecutive naturals, for example, 1306367999985 + ... + 1306368000015.

Almost surely, 240497408000000 is an apocalyptic number.

40497408000000 is a gapful number since it is divisible by the number (40) 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 40497408000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89534681441408).

40497408000000 is an abundant number, since it is smaller than the sum of its proper divisors (138571954882816).

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

40497408000000 is an frugal number, since it uses more digits than its factorization.

40497408000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 40497408000000 its reverse (80479404), we get a palindrome (40497488479404).

The spelling of 40497408000000 in words is "forty trillion, four hundred ninety-seven billion, four hundred eight million", and thus it is an aban number.