461202321222640 has 20 divisors (see below), whose sum is σ = 1072295396842824. Its totient is φ = 184480928489024.

The previous prime is 461202321222623. The next prime is 461202321222683. The reversal of 461202321222640 is 46222123202164.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×461202321222640² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 461202321222640.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2882514507562 + ... + 2882514507721.

Almost surely, 2^{461202321222640} is an apocalyptic number.

461202321222640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461202321222640 is an abundant number, since it is smaller than the sum of its proper divisors (611093075620184).

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

461202321222640 is a wasteful number, since it uses less digits than its factorization.

461202321222640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765029015296 (or 5765029015290 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 461202321222640 in words is "four hundred sixty-one trillion, two hundred two billion, three hundred twenty-one million, two hundred twenty-two thousand, six hundred forty".