461439909426 has 64 divisors (see below), whose sum is σ = 951558451200. Its totient is φ = 149118707136.

The previous prime is 461439909421. The next prime is 461439909433. The reversal of 461439909426 is 624909934164.

It is a super-2 number, since 2×461439909426² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461439909421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8419480 + ... + 8474108.

It is an arithmetic number, because the mean of its divisors is an integer number (14868100800).

Almost surely, 2^461439909426 is an apocalyptic number.

461439909426 is an abundant number, since it is smaller than the sum of its proper divisors (490118541774).

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

461439909426 is a wasteful number, since it uses less digits than its factorization.

461439909426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55023.

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 461439909426 in words is "four hundred sixty-one billion, four hundred thirty-nine million, nine hundred nine thousand, four hundred twenty-six".