457156865280 has 72 divisors (see below), whose sum is σ = 1460044750752. Its totient is φ = 121908496384.

The previous prime is 457156865267. The next prime is 457156865303. The reversal of 457156865280 is 82568651754.

It is a self number, because there is not a number n which added to its sum of digits gives 457156865280.

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, 59521794 + ... + 59529473.

It is an arithmetic number, because the mean of its divisors is an integer number (20278399316).

Almost surely, 2^457156865280 is an apocalyptic number.

457156865280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457156865280 is an abundant number, since it is smaller than the sum of its proper divisors (1002887885472).

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

457156865280 is a wasteful number, since it uses less digits than its factorization.

457156865280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119051291 (or 119051277 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 457156865280 in words is "four hundred fifty-seven billion, one hundred fifty-six million, eight hundred sixty-five thousand, two hundred eighty".