80425388646 has 32 divisors (see below), whose sum is σ = 180565603680. Its totient is φ = 26532085248.

The previous prime is 80425388611. The next prime is 80425388653. The reversal of 80425388646 is 64688352408.

80425388646 is a `hidden beast` number, since 8 + 0 + 42 + 538 + 8 + 64 + 6 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 80425388592 and 80425388601.

It is a congruent number.

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, 7671871 + ... + 7682346.

It is an arithmetic number, because the mean of its divisors is an integer number (5642675115).

Almost surely, 2^80425388646 is an apocalyptic number.

80425388646 is an abundant number, since it is smaller than the sum of its proper divisors (100140215034).

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

80425388646 is a wasteful number, since it uses less digits than its factorization.

80425388646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354325 (or 15354319 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 80425388646 in words is "eighty billion, four hundred twenty-five million, three hundred eighty-eight thousand, six hundred forty-six".