612410140 has 24 divisors (see below), whose sum is σ = 1303681680. Its totient is φ = 241607808.

The previous prime is 612410089. The next prime is 612410207. The reversal of 612410140 is 41014216.

It is a congruent number.

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, 208270 + ... + 211189.

It is an arithmetic number, because the mean of its divisors is an integer number (54320070).

Almost surely, 2^612410140 is an apocalyptic number.

It is an amenable number.

612410140 is an abundant number, since it is smaller than the sum of its proper divisors (691271540).

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

612410140 is a wasteful number, since it uses less digits than its factorization.

612410140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419541 (or 419539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 612410140 is about 24746.9218287851. The cubic root of 612410140 is about 849.2080928944.

Adding to 612410140 its reverse (41014216), we get a palindrome (653424356).

The spelling of 612410140 in words is "six hundred twelve million, four hundred ten thousand, one hundred forty".