390538053246 has 64 divisors (see below), whose sum is σ = 862456688640. Its totient is φ = 116906549760.

The previous prime is 390538053229. The next prime is 390538053247. The reversal of 390538053246 is 642350835093.

It is a super-2 number, since 2×390538053246² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 390538053195 and 390538053204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390538053247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6413475 + ... + 6474081.

It is an arithmetic number, because the mean of its divisors is an integer number (13475885760).

Almost surely, 2^390538053246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390538053246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431228344320).

390538053246 is an abundant number, since it is smaller than the sum of its proper divisors (471918635394).

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

390538053246 is a wasteful number, since it uses less digits than its factorization.

390538053246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61809.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 390538053246 in words is "three hundred ninety billion, five hundred thirty-eight million, fifty-three thousand, two hundred forty-six".