390354729744 has 120 divisors (see below), whose sum is σ = 1234795715040. Its totient is φ = 105659914752.

The previous prime is 390354729731. The next prime is 390354729781. The reversal of 390354729744 is 447927453093.

390354729744 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×390354729744² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4322869 + ... + 4412244.

It is an arithmetic number, because the mean of its divisors is an integer number (10289964292).

Almost surely, 2^390354729744 is an apocalyptic number.

It is an amenable number.

390354729744 is an abundant number, since it is smaller than the sum of its proper divisors (844440985296).

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

390354729744 is a wasteful number, since it uses less digits than its factorization.

390354729744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735157 (or 8735144 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 390354729744 in words is "three hundred ninety billion, three hundred fifty-four million, seven hundred twenty-nine thousand, seven hundred forty-four".