1457686290 has 16 divisors (see below), whose sum is σ = 3498447168. Its totient is φ = 388716336.

The previous prime is 1457686261. The next prime is 1457686297. The reversal of 1457686290 is 926867541.

It is not an unprimeable number, because it can be changed into a prime (1457686297) 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, 24294742 + ... + 24294801.

It is an arithmetic number, because the mean of its divisors is an integer number (218652948).

Almost surely, 2^1457686290 is an apocalyptic number.

1457686290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457686290 is an abundant number, since it is smaller than the sum of its proper divisors (2040760878).

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

1457686290 is a wasteful number, since it uses less digits than its factorization.

1457686290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48589553.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1457686290 is about 38179.6580655197. The cubic root of 1457686290 is about 1133.8476119457.

The spelling of 1457686290 in words is "one billion, four hundred fifty-seven million, six hundred eighty-six thousand, two hundred ninety".