612079040 has 56 divisors (see below), whose sum is σ = 1469087232. Its totient is φ = 242887680.

The previous prime is 612079009. The next prime is 612079043. The reversal of 612079040 is 40970216.

It is a junction number, because it is equal to n+sod(n) for n = 612078994 and 612079012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612079043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33110 + ... + 48170.

Almost surely, 2^612079040 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 612079040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734543616).

612079040 is an abundant number, since it is smaller than the sum of its proper divisors (857008192).

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

612079040 is a wasteful number, since it uses less digits than its factorization.

612079040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205 (or 15195 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 612079040 is about 24740.2312034467. The cubic root of 612079040 is about 849.0550236420.

The spelling of 612079040 in words is "six hundred twelve million, seventy-nine thousand, forty".