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3980492880 = 24357131771151
BaseRepresentation
bin1110110101000001…
…1000000001010000
3101021101222222201020
43231100120001100
531123001233010
61454551435440
7200432426340
oct35520300120
911241888636
103980492880
111762980241
12931085b80
134b5881740
1429a916d20
151846c0470
hexed418050

3980492880 has 640 divisors, whose sum is σ = 16414949376. Its totient is φ = 774144000.

The previous prime is 3980492851. The next prime is 3980492881. The reversal of 3980492880 is 882940893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980492881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26360805 + ... + 26360955.

Almost surely, 23980492880 is an apocalyptic number.

3980492880 is a gapful number since it is divisible by the number (30) 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 3980492880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8207474688).

3980492880 is an abundant number, since it is smaller than the sum of its proper divisors (12434456496).

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

3980492880 is a wasteful number, since it uses less digits than its factorization.

3980492880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 3980492880 is about 63091.1473980304. The cubic root of 3980492880 is about 1584.8163772062.

The spelling of 3980492880 in words is "three billion, nine hundred eighty million, four hundred ninety-two thousand, eight hundred eighty".