390716140440 has 128 divisors (see below), whose sum is σ = 1265287910400. Its totient is φ = 96224325120.

The previous prime is 390716140427. The next prime is 390716140489. The reversal of 390716140440 is 44041617093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2360716 + ... + 2520795.

It is an arithmetic number, because the mean of its divisors is an integer number (9885061800).

Almost surely, 2^390716140440 is an apocalyptic number.

390716140440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

390716140440 is an abundant number, since it is smaller than the sum of its proper divisors (874571769960).

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

390716140440 is a wasteful number, since it uses less digits than its factorization.

390716140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881577 (or 4881573 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 390716140440 in words is "three hundred ninety billion, seven hundred sixteen million, one hundred forty thousand, four hundred forty".