612040146 has 16 divisors (see below), whose sum is σ = 1232188608. Its totient is φ = 202662000.

The previous prime is 612040139. The next prime is 612040151. The reversal of 612040146 is 641040216.

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, 336865 + ... + 338676.

It is an arithmetic number, because the mean of its divisors is an integer number (77011788).

Almost surely, 2^612040146 is an apocalyptic number.

612040146 is an abundant number, since it is smaller than the sum of its proper divisors (620148462).

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

612040146 is a wasteful number, since it uses less digits than its factorization.

612040146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675697.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 612040146 is about 24739.4451433333. The cubic root of 612040146 is about 849.0370391207.

The spelling of 612040146 in words is "six hundred twelve million, forty thousand, one hundred forty-six".