461615850136 has 64 divisors (see below), whose sum is σ = 1005956640000. Its totient is φ = 194491262592.

The previous prime is 461615850127. The next prime is 461615850139. The reversal of 461615850136 is 631058516164.

It is a super-2 number, since 2×461615850136² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461615850139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748970 + ... + 1995526.

It is an arithmetic number, because the mean of its divisors is an integer number (15718072500).

Almost surely, 2^461615850136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461615850136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502978320000).

461615850136 is an abundant number, since it is smaller than the sum of its proper divisors (544340789864).

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

461615850136 is a wasteful number, since it uses less digits than its factorization.

461615850136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247136 (or 247132 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 461615850136 in words is "four hundred sixty-one billion, six hundred fifteen million, eight hundred fifty thousand, one hundred thirty-six".