390950910390 has 32 divisors (see below), whose sum is σ = 968549354496. Its totient is φ = 100890557280.

The previous prime is 390950910373. The next prime is 390950910397. The reversal of 390950910390 is 93019059093.

It is a happy number.

It is a super-2 number, since 2×390950910390² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390950910397) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 210187732 + ... + 210189591.

It is an arithmetic number, because the mean of its divisors is an integer number (30267167328).

Almost surely, 2^390950910390 is an apocalyptic number.

390950910390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390950910390 is an abundant number, since it is smaller than the sum of its proper divisors (577598444106).

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

390950910390 is a wasteful number, since it uses less digits than its factorization.

390950910390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420377364.

The product of its (nonzero) digits is 295245, while the sum is 48.

The spelling of 390950910390 in words is "three hundred ninety billion, nine hundred fifty million, nine hundred ten thousand, three hundred ninety".