402875254125 has 24 divisors (see below), whose sum is σ = 726249793464. Its totient is φ = 214866801600.

The previous prime is 402875254051. The next prime is 402875254127. The reversal of 402875254125 is 521452578204.

402875254125 is a `hidden beast` number, since 4 + 0 + 2 + 87 + 5 + 2 + 541 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 638977284 + 402236276841 = 25278^2 + 634221^2 .

It is not a de Polignac number, because 402875254125 - 2²³ = 402866865517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402875254127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179054544 + ... + 179056793.

It is an arithmetic number, because the mean of its divisors is an integer number (30260408061).

Almost surely, 2^402875254125 is an apocalyptic number.

402875254125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

402875254125 is a deficient number, since it is larger than the sum of its proper divisors (323374539339).

402875254125 is a wasteful number, since it uses less digits than its factorization.

402875254125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358111358 (or 358111345 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 402875254125 in words is "four hundred two billion, eight hundred seventy-five million, two hundred fifty-four thousand, one hundred twenty-five".