80924440040 has 16 divisors (see below), whose sum is σ = 182079990180. Its totient is φ = 32369776000.

The previous prime is 80924440039. The next prime is 80924440099. The reversal of 80924440040 is 4004442908.

It can be written as a sum of positive squares in 2 ways, for example, as 77561136004 + 3363304036 = 278498^2 + 57994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011555461 + ... + 1011555540.

Almost surely, 2^80924440040 is an apocalyptic number.

It is an amenable number.

80924440040 is an abundant number, since it is smaller than the sum of its proper divisors (101155550140).

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

80924440040 is a wasteful number, since it uses less digits than its factorization.

80924440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023111012 (or 2023111008 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 80924440040 its reverse (4004442908), we get a palindrome (84928882948).

The spelling of 80924440040 in words is "eighty billion, nine hundred twenty-four million, four hundred forty thousand, forty".