1490647657344 has 32 divisors (see below), whose sum is σ = 3959532840840. Its totient is φ = 496882552320.

The previous prime is 1490647657267. The next prime is 1490647657363. The reversal of 1490647657344 is 4437567460941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940947087 + ... + 1940947854.

Almost surely, 2^{1490647657344} is an apocalyptic number.

It is an amenable number.

1490647657344 is an abundant number, since it is smaller than the sum of its proper divisors (2468885183496).

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

1490647657344 is an equidigital number, since it uses as much as digits as its factorization.

1490647657344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881894958 (or 3881894946 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 1490647657344 in words is "one trillion, four hundred ninety billion, six hundred forty-seven million, six hundred fifty-seven thousand, three hundred forty-four".