461551420123232 has 24 divisors (see below), whose sum is σ = 908917170531552. Its totient is φ = 230715313321600.

The previous prime is 461551420123229. The next prime is 461551420123247. The reversal of 461551420123232 is 232321024155164.

It is a super-2 number, since 2×461551420123232² (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 461551420123232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887273944 + ... + 1887518487.

It is an arithmetic number, because the mean of its divisors is an integer number (37871548772148).

Almost surely, 2^{461551420123232} is an apocalyptic number.

It is an amenable number.

461551420123232 is a deficient number, since it is larger than the sum of its proper divisors (447365750408320).

461551420123232 is a wasteful number, since it uses less digits than its factorization.

461551420123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774796262 (or 3774796254 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 461551420123232 its reverse (232321024155164), we get a palindrome (693872444278396).

The spelling of 461551420123232 in words is "four hundred sixty-one trillion, five hundred fifty-one billion, four hundred twenty million, one hundred twenty-three thousand, two hundred thirty-two".