465343993920 has 112 divisors (see below), whose sum is σ = 1591118544960. Its totient is φ = 114546210816.

The previous prime is 465343993909. The next prime is 465343993957. The reversal of 465343993920 is 29399343564.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18631110 + ... + 18656069.

It is an arithmetic number, because the mean of its divisors is an integer number (14206415580).

Almost surely, 2^465343993920 is an apocalyptic number.

465343993920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

465343993920 is an abundant number, since it is smaller than the sum of its proper divisors (1125774551040).

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

465343993920 is a wasteful number, since it uses less digits than its factorization.

465343993920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37287212 (or 37287202 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 57.

The spelling of 465343993920 in words is "four hundred sixty-five billion, three hundred forty-three million, nine hundred ninety-three thousand, nine hundred twenty".