80100256940 has 48 divisors (see below), whose sum is σ = 194296675104. Its totient is φ = 27413990400.

The previous prime is 80100256931. The next prime is 80100256979. The reversal of 80100256940 is 4965200108.

It is a self number, because there is not a number n which added to its sum of digits gives 80100256940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10704851 + ... + 10712330.

It is an arithmetic number, because the mean of its divisors is an integer number (4047847398).

Almost surely, 2^80100256940 is an apocalyptic number.

It is an amenable number.

80100256940 is an abundant number, since it is smaller than the sum of its proper divisors (114196418164).

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

80100256940 is a wasteful number, since it uses less digits than its factorization.

80100256940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21417218 (or 21417216 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 80100256940 in words is "eighty billion, one hundred million, two hundred fifty-six thousand, nine hundred forty".