461802919140 has 48 divisors (see below), whose sum is σ = 1436720194560. Its totient is φ = 123147444960.

The previous prime is 461802919103. The next prime is 461802919141. The reversal of 461802919140 is 41919208164.

It is a happy number.

461802919140 is a `hidden beast` number, since 4 + 618 + 0 + 2 + 9 + 19 + 14 + 0 = 666.

It is a super-2 number, since 2×461802919140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (461802919141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427594756 + ... + 427595835.

It is an arithmetic number, because the mean of its divisors is an integer number (29931670720).

Almost surely, 2^461802919140 is an apocalyptic number.

It is an amenable number.

461802919140 is an abundant number, since it is smaller than the sum of its proper divisors (974917275420).

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

461802919140 is a wasteful number, since it uses less digits than its factorization.

461802919140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855190609 (or 855190601 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 461802919140 in words is "four hundred sixty-one billion, eight hundred two million, nine hundred nineteen thousand, one hundred forty".