406251648975 has 12 divisors (see below), whose sum is σ = 671669393096. Its totient is φ = 216667546080.

The previous prime is 406251648967. The next prime is 406251648977. The reversal of 406251648975 is 579846152604.

It is not a de Polignac number, because 406251648975 - 2³ = 406251648967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406251648977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2708344252 + ... + 2708344401.

Almost surely, 2^406251648975 is an apocalyptic number.

406251648975 is a deficient number, since it is larger than the sum of its proper divisors (265417744121).

406251648975 is a wasteful number, since it uses less digits than its factorization.

406251648975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416688666 (or 5416688661 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 406251648975 in words is "four hundred six billion, two hundred fifty-one million, six hundred forty-eight thousand, nine hundred seventy-five".