457140023408 has 80 divisors (see below), whose sum is σ = 976765578240. Its totient is φ = 206426880000.

The previous prime is 457140023321. The next prime is 457140023411. The reversal of 457140023408 is 804320041754.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 269408 + ... + 993408.

It is an arithmetic number, because the mean of its divisors is an integer number (12209569728).

Almost surely, 2^457140023408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457140023408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488382789120).

457140023408 is an abundant number, since it is smaller than the sum of its proper divisors (519625554832).

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

457140023408 is a wasteful number, since it uses less digits than its factorization.

457140023408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724126 (or 724120 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 457140023408 in words is "four hundred fifty-seven billion, one hundred forty million, twenty-three thousand, four hundred eight".