80397140 has 24 divisors (see below), whose sum is σ = 169852032. Its totient is φ = 31964960.

The previous prime is 80397137. The next prime is 80397157. The reversal of 80397140 is 4179308.

It is a junction number, because it is equal to n+sod(n) for n = 80397097 and 80397106.

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, 8696 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (7077168).

Almost surely, 2^80397140 is an apocalyptic number.

It is an amenable number.

80397140 is an abundant number, since it is smaller than the sum of its proper divisors (89454892).

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

80397140 is a wasteful number, since it uses less digits than its factorization.

80397140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24247 (or 24245 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 80397140 is about 8966.4452265098. The cubic root of 80397140 is about 431.5987715567.

The spelling of 80397140 in words is "eighty million, three hundred ninety-seven thousand, one hundred forty".