1457657937490 has 128 divisors (see below), whose sum is σ = 2866186321920. Its totient is φ = 532320096000.

The previous prime is 1457657937487. The next prime is 1457657937499. The reversal of 1457657937490 is 947397567541.

It is not an unprimeable number, because it can be changed into a prime (1457657937499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 288585465 + ... + 288590515.

It is an arithmetic number, because the mean of its divisors is an integer number (22392080640).

Almost surely, 2^{1457657937490} is an apocalyptic number.

1457657937490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457657937490 is a deficient number, since it is larger than the sum of its proper divisors (1408528384430).

1457657937490 is a wasteful number, since it uses less digits than its factorization.

1457657937490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848.

The product of its (nonzero) digits is 200037600, while the sum is 67.

The spelling of 1457657937490 in words is "one trillion, four hundred fifty-seven billion, six hundred fifty-seven million, nine hundred thirty-seven thousand, four hundred ninety".