612510940 has 12 divisors (see below), whose sum is σ = 1286273016. Its totient is φ = 245004368.

The previous prime is 612510929. The next prime is 612510947. The reversal of 612510940 is 49015216.

It is a junction number, because it is equal to n+sod(n) for n = 612510899 and 612510908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612510947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15312754 + ... + 15312793.

It is an arithmetic number, because the mean of its divisors is an integer number (107189418).

Almost surely, 2^612510940 is an apocalyptic number.

It is an amenable number.

612510940 is an abundant number, since it is smaller than the sum of its proper divisors (673762076).

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

612510940 is a wasteful number, since it uses less digits than its factorization.

612510940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625556 (or 30625554 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 612510940 is about 24748.9583619190. The cubic root of 612510940 is about 849.2546823035.

The spelling of 612510940 in words is "six hundred twelve million, five hundred ten thousand, nine hundred forty".