465221946390 has 32 divisors (see below), whose sum is σ = 1120981026816. Its totient is φ = 123564924000.

The previous prime is 465221946323. The next prime is 465221946401. The reversal of 465221946390 is 93649122564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30883702 + ... + 30898761.

It is an arithmetic number, because the mean of its divisors is an integer number (35030657088).

Almost surely, 2^465221946390 is an apocalyptic number.

465221946390 is an abundant number, since it is smaller than the sum of its proper divisors (655759080426).

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

465221946390 is a wasteful number, since it uses less digits than its factorization.

465221946390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61782724.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 465221946390 in words is "four hundred sixty-five billion, two hundred twenty-one million, nine hundred forty-six thousand, three hundred ninety".