1457256696 has 64 divisors (see below), whose sum is σ = 4188602880. Its totient is φ = 413857920.

The previous prime is 1457256653. The next prime is 1457256751. The reversal of 1457256696 is 6966527541.

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, 2086 + ... + 54026.

It is an arithmetic number, because the mean of its divisors is an integer number (65446920).

Almost surely, 2^1457256696 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 1457256696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094301440).

1457256696 is an abundant number, since it is smaller than the sum of its proper divisors (2731346184).

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

1457256696 is a wasteful number, since it uses less digits than its factorization.

1457256696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52124 (or 52120 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 1457256696 is about 38174.0316969534. The cubic root of 1457256696 is about 1133.7362157803.

The spelling of 1457256696 in words is "one billion, four hundred fifty-seven million, two hundred fifty-six thousand, six hundred ninety-six".