612040464 has 120 divisors (see below), whose sum is σ = 2060651840. Its totient is φ = 165659904.

The previous prime is 612040417. The next prime is 612040469. The reversal of 612040464 is 464040216.

612040464 is a `hidden beast` number, since 612 + 0 + 4 + 0 + 46 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (612040469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3174 + ... + 35130.

Almost surely, 2^612040464 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 612040464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030325920).

612040464 is an abundant number, since it is smaller than the sum of its proper divisors (1448611376).

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

612040464 is a wasteful number, since it uses less digits than its factorization.

612040464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31997 (or 31988 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 612040464 is about 24739.4515703158. The cubic root of 612040464 is about 849.0371861665.

The spelling of 612040464 in words is "six hundred twelve million, forty thousand, four hundred sixty-four".