80497649232 has 1280 divisors, whose sum is σ = 329978880000. Its totient is φ = 18492364800.

The previous prime is 80497649207. The next prime is 80497649269. The reversal of 80497649232 is 23294679408.

80497649232 is a `hidden beast` number, since 8 + 0 + 497 + 64 + 92 + 3 + 2 = 666.

It is a super-2 number, since 2×80497649232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 614485807 + ... + 614485937.

It is an arithmetic number, because the mean of its divisors is an integer number (257796000).

Almost surely, 2^80497649232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80497649232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440000).

80497649232 is an abundant number, since it is smaller than the sum of its proper divisors (249481230768).

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

80497649232 is a wasteful number, since it uses less digits than its factorization.

80497649232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 80497649232 in words is "eighty billion, four hundred ninety-seven million, six hundred forty-nine thousand, two hundred thirty-two".