439947465340 has 24 divisors (see below), whose sum is σ = 924414986880. Its totient is φ = 175878927168.

The previous prime is 439947465277. The next prime is 439947465389. The reversal of 439947465340 is 43564749934.

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, 6217627 + ... + 6287986.

It is an arithmetic number, because the mean of its divisors is an integer number (38517291120).

Almost surely, 2^439947465340 is an apocalyptic number.

It is an amenable number.

439947465340 is an abundant number, since it is smaller than the sum of its proper divisors (484467521540).

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

439947465340 is a wasteful number, since it uses less digits than its factorization.

439947465340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507381 (or 12507379 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 439947465340 in words is "four hundred thirty-nine billion, nine hundred forty-seven million, four hundred sixty-five thousand, three hundred forty".