1490876578944 has 128 divisors (see below), whose sum is σ = 4400673312000. Its totient is φ = 496900500480.

The previous prime is 1490876578927. The next prime is 1490876578951. The reversal of 1490876578944 is 4498756780941.

1490876578944 is a `hidden beast` number, since 1 + 4 + 9 + 0 + 8 + 7 + 6 + 578 + 9 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37412022 + ... + 37451850.

It is an arithmetic number, because the mean of its divisors is an integer number (34380260250).

Almost surely, 2^{1490876578944} is an apocalyptic number.

It is an amenable number.

1490876578944 is an abundant number, since it is smaller than the sum of its proper divisors (2909796733056).

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

1490876578944 is a wasteful number, since it uses less digits than its factorization.

1490876578944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50683 (or 50665 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 1490876578944 in words is "one trillion, four hundred ninety billion, eight hundred seventy-six million, five hundred seventy-eight thousand, nine hundred forty-four".