80155480 has 32 divisors (see below), whose sum is σ = 180792000. Its totient is φ = 31983616.

The previous prime is 80155477. The next prime is 80155499. The reversal of 80155480 is 8455108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15729 + ... + 20191.

It is an arithmetic number, because the mean of its divisors is an integer number (5649750).

Almost surely, 2^80155480 is an apocalyptic number.

It is an amenable number.

80155480 is an abundant number, since it is smaller than the sum of its proper divisors (100636520).

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

80155480 is a wasteful number, since it uses less digits than its factorization.

80155480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 80155480 is about 8952.9592872971. The cubic root of 80155480 is about 431.1659002846.

The spelling of 80155480 in words is "eighty million, one hundred fifty-five thousand, four hundred eighty".