1439985629976 has 32 divisors (see below), whose sum is σ = 3600717020160. Its totient is φ = 479894817312.

The previous prime is 1439985629923. The next prime is 1439985629993. The reversal of 1439985629976 is 6799265899341.

It is a super-2 number, since 2×1439985629976² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6157360 + ... + 6386943.

It is an arithmetic number, because the mean of its divisors is an integer number (112522406880).

Almost surely, 2^{1439985629976} is an apocalyptic number.

It is an amenable number.

1439985629976 is an abundant number, since it is smaller than the sum of its proper divisors (2160731390184).

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

1439985629976 is a wasteful number, since it uses less digits than its factorization.

1439985629976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549095 (or 12549091 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 78.

The spelling of 1439985629976 in words is "one trillion, four hundred thirty-nine billion, nine hundred eighty-five million, six hundred twenty-nine thousand, nine hundred seventy-six".