465720423144 has 64 divisors (see below), whose sum is σ = 1209029500800. Its totient is φ = 149317061376.

The previous prime is 465720423071. The next prime is 465720423149. The reversal of 465720423144 is 441324027564.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 465720423096 and 465720423105.

It is not an unprimeable number, because it can be changed into a prime (465720423149) 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, 1089079 + ... + 1455174.

It is an arithmetic number, because the mean of its divisors is an integer number (18891085950).

Almost surely, 2^465720423144 is an apocalyptic number.

It is an amenable number.

465720423144 is an abundant number, since it is smaller than the sum of its proper divisors (743309077656).

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

465720423144 is a wasteful number, since it uses less digits than its factorization.

465720423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544554 (or 2544550 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 465720423144 in words is "four hundred sixty-five billion, seven hundred twenty million, four hundred twenty-three thousand, one hundred forty-four".