612407406490 has 16 divisors (see below), whose sum is σ = 1202545452960. Its totient is φ = 222693602320.

The previous prime is 612407406469. The next prime is 612407406503. The reversal of 612407406490 is 94604704216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2783669920 + ... + 2783670139.

It is an arithmetic number, because the mean of its divisors is an integer number (75159090810).

Almost surely, 2^612407406490 is an apocalyptic number.

612407406490 is a deficient number, since it is larger than the sum of its proper divisors (590138046470).

612407406490 is a wasteful number, since it uses less digits than its factorization.

612407406490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567340077.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 612407406490 in words is "six hundred twelve billion, four hundred seven million, four hundred six thousand, four hundred ninety".