390304573504 has 56 divisors (see below), whose sum is σ = 796419283968. Its totient is φ = 189668213760.

The previous prime is 390304573501. The next prime is 390304573507. The reversal of 390304573504 is 405375403093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (390304573501) and next prime (390304573507).

It is not an unprimeable number, because it can be changed into a prime (390304573501) 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, 407329 + ... + 972895.

It is an arithmetic number, because the mean of its divisors is an integer number (14221772928).

Almost surely, 2^390304573504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390304573504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398209641984).

390304573504 is an abundant number, since it is smaller than the sum of its proper divisors (406114710464).

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

390304573504 is a wasteful number, since it uses less digits than its factorization.

390304573504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565883 (or 565873 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 43.

Adding to 390304573504 its reverse (405375403093), we get a palindrome (795679976597).

The spelling of 390304573504 in words is "three hundred ninety billion, three hundred four million, five hundred seventy-three thousand, five hundred four".