461645635463446 has 24 divisors (see below), whose sum is σ = 805525269499440. Its totient is φ = 197847947161872.

The previous prime is 461645635463413. The next prime is 461645635463459. The reversal of 461645635463446 is 644364536546164.

It is a happy number.

It is a super-2 number, since 2×461645635463446² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209590015 + ... + 211781173.

It is an arithmetic number, because the mean of its divisors is an integer number (33563552895810).

Almost surely, 2^{461645635463446} is an apocalyptic number.

461645635463446 is a deficient number, since it is larger than the sum of its proper divisors (343879634035994).

461645635463446 is a wasteful number, since it uses less digits than its factorization.

461645635463446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341028 (or 4341021 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 67.

The spelling of 461645635463446 in words is "four hundred sixty-one trillion, six hundred forty-five billion, six hundred thirty-five million, four hundred sixty-three thousand, four hundred forty-six".