406900609125 has 32 divisors (see below), whose sum is σ = 681395340288. Its totient is φ = 215631374400.

The previous prime is 406900609111. The next prime is 406900609163. The reversal of 406900609125 is 521906009604.

It is a happy number.

It is not a de Polignac number, because 406900609125 - 2⁶ = 406900609061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3396757 + ... + 3514506.

It is an arithmetic number, because the mean of its divisors is an integer number (21293604384).

Almost surely, 2^406900609125 is an apocalyptic number.

It is an amenable number.

406900609125 is a deficient number, since it is larger than the sum of its proper divisors (274494731163).

406900609125 is a wasteful number, since it uses less digits than its factorization.

406900609125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911438 (or 6911428 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

It can be divided in two parts, 406900 and 609125, that added together give a triangular number (1016025 = T₁₄₂₅).

The spelling of 406900609125 in words is "four hundred six billion, nine hundred million, six hundred nine thousand, one hundred twenty-five".