80440062004 has 6 divisors (see below), whose sum is σ = 140770108514. Its totient is φ = 40220031000.

The previous prime is 80440061981. The next prime is 80440062013. The reversal of 80440062004 is 40026004408.

It can be written as a sum of positive squares in only one way, i.e., 53870410000 + 26569652004 = 232100^2 + 163002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055007747 + ... + 10055007754.

Almost surely, 2^80440062004 is an apocalyptic number.

It is an amenable number.

80440062004 is a deficient number, since it is larger than the sum of its proper divisors (60330046510).

80440062004 is a wasteful number, since it uses less digits than its factorization.

80440062004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110015505 (or 20110015503 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The spelling of 80440062004 in words is "eighty billion, four hundred forty million, sixty-two thousand, four".