1457006520 has 32 divisors (see below), whose sum is σ = 4371019920. Its totient is φ = 388535040.

The previous prime is 1457006513. The next prime is 1457006521. The reversal of 1457006520 is 256007541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457006521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6070741 + ... + 6070980.

Almost surely, 2^1457006520 is an apocalyptic number.

1457006520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457006520 is an abundant number, since it is smaller than the sum of its proper divisors (2914013400).

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

1457006520 is a wasteful number, since it uses less digits than its factorization.

1457006520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141735 (or 12141731 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1457006520 is about 38170.7547737794. The cubic root of 1457006520 is about 1133.6713336346.

The spelling of 1457006520 in words is "one billion, four hundred fifty-seven million, six thousand, five hundred twenty".