1457657937488 has 10 divisors (see below), whose sum is σ = 2824212253914. Its totient is φ = 728828968736.

The previous prime is 1457657937487. The next prime is 1457657937499. The reversal of 1457657937488 is 8847397567541.

It can be written as a sum of positive squares in only one way, i.e., 1001584627264 + 456073310224 = 1000792^2 + 675332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457657937487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45551810531 + ... + 45551810562.

Almost surely, 2^{1457657937488} is an apocalyptic number.

It is an amenable number.

1457657937488 is a deficient number, since it is larger than the sum of its proper divisors (1366554316426).

1457657937488 is an equidigital number, since it uses as much as digits as its factorization.

1457657937488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91103621101 (or 91103621095 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 74.

The spelling of 1457657937488 in words is "one trillion, four hundred fifty-seven billion, six hundred fifty-seven million, nine hundred thirty-seven thousand, four hundred eighty-eight".