1457257608 has 64 divisors (see below), whose sum is σ = 4052116800. Its totient is φ = 485251200.

The previous prime is 1457257601. The next prime is 1457257639. The reversal of 1457257608 is 8067527541.

1457257608 is a `hidden beast` number, since 1 + 4 + 5 + 72 + 576 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1457257601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248308 + ... + 254108.

It is an arithmetic number, because the mean of its divisors is an integer number (63314325).

Almost surely, 2^1457257608 is an apocalyptic number.

1457257608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1457257608 is an abundant number, since it is smaller than the sum of its proper divisors (2594859192).

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

1457257608 is a wasteful number, since it uses less digits than its factorization.

1457257608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979 (or 6969 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 1457257608 is about 38174.0436422447. The cubic root of 1457257608 is about 1133.7364522903.

The spelling of 1457257608 in words is "one billion, four hundred fifty-seven million, two hundred fifty-seven thousand, six hundred eight".