80400040448880 has 160 divisors (see below), whose sum is σ = 260434405131264. Its totient is φ = 20479626528768.

The previous prime is 80400040448803. The next prime is 80400040448891. The reversal of 80400040448880 is 8884404000408.

It is a happy number.

It is a super-2 number, since 2×80400040448880² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6004309 + ... + 14030388.

Almost surely, 2^{80400040448880} is an apocalyptic number.

80400040448880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80400040448880 is an abundant number, since it is smaller than the sum of its proper divisors (180034364682384).

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

80400040448880 is a wasteful number, since it uses less digits than its factorization.

80400040448880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20035463 (or 20035457 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 80400040448880 in words is "eighty trillion, four hundred billion, forty million, four hundred forty-eight thousand, eight hundred eighty".