612040371 has 16 divisors (see below), whose sum is σ = 836187264. Its totient is φ = 397986624.

The previous prime is 612040337. The next prime is 612040381. The reversal of 612040371 is 173040216.

It is not a de Polignac number, because 612040371 - 2⁹ = 612039859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612040301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103815 + ... + 109551.

It is an arithmetic number, because the mean of its divisors is an integer number (52261704).

Almost surely, 2^612040371 is an apocalyptic number.

612040371 is a deficient number, since it is larger than the sum of its proper divisors (224146893).

612040371 is a wasteful number, since it uses less digits than its factorization.

612040371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 612040371 is about 24739.4496907268. The cubic root of 612040371 is about 849.0371431625.

Adding to 612040371 its reverse (173040216), we get a palindrome (785080587).

The spelling of 612040371 in words is "six hundred twelve million, forty thousand, three hundred seventy-one".