1639041083904 has 80 divisors (see below), whose sum is σ = 4990294761408. Its totient is φ = 468297449472.

The previous prime is 1639041083903. The next prime is 1639041083941. The reversal of 1639041083904 is 4093801409361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1639041083903) 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, 76209537 + ... + 76231040.

Almost surely, 2^{1639041083904} is an apocalyptic number.

1639041083904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1639041083904 is an abundant number, since it is smaller than the sum of its proper divisors (3351253677504).

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

1639041083904 is an equidigital number, since it uses as much as digits as its factorization.

1639041083904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152440605 (or 152440589 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 1639041083904 in words is "one trillion, six hundred thirty-nine billion, forty-one million, eighty-three thousand, nine hundred four".