1457444460 has 24 divisors (see below), whose sum is σ = 4080844656. Its totient is φ = 388651840.

The previous prime is 1457444453. The next prime is 1457444551. The reversal of 1457444460 is 644447541.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12145311 + ... + 12145430.

It is an arithmetic number, because the mean of its divisors is an integer number (170035194).

Almost surely, 2^1457444460 is an apocalyptic number.

1457444460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457444460 is an abundant number, since it is smaller than the sum of its proper divisors (2623400196).

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

1457444460 is a wasteful number, since it uses less digits than its factorization.

1457444460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24290753 (or 24290751 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 1457444460 is about 38176.4909335575. The cubic root of 1457444460 is about 1133.7849067454.

The spelling of 1457444460 in words is "one billion, four hundred fifty-seven million, four hundred forty-four thousand, four hundred sixty".