461140440525644 has 24 divisors (see below), whose sum is σ = 880360582212048. Its totient is φ = 209608919864640.

The previous prime is 461140440525629. The next prime is 461140440525697. The reversal of 461140440525644 is 446525044041164.

It is a super-2 number, since 2×461140440525644² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461140440525592 and 461140440525601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16654874 + ... + 34636190.

It is an arithmetic number, because the mean of its divisors is an integer number (36681690925502).

Almost surely, 2^{461140440525644} is an apocalyptic number.

461140440525644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

461140440525644 is a deficient number, since it is larger than the sum of its proper divisors (419220141686404).

461140440525644 is a wasteful number, since it uses less digits than its factorization.

461140440525644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564185 (or 18564183 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 50.

The spelling of 461140440525644 in words is "four hundred sixty-one trillion, one hundred forty billion, four hundred forty million, five hundred twenty-five thousand, six hundred forty-four".