400125505054005 has 48 divisors (see below), whose sum is σ = 693966673296000. Its totient is φ = 213272346930048.

The previous prime is 400125505053979. The next prime is 400125505054111. The reversal of 400125505054005 is 500450505521004.

400125505054005 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 2 + 550 + 50 + 54 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 400125505054005 - 2⁹ = 400125505053493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1321358706 + ... + 1321661484.

It is an arithmetic number, because the mean of its divisors is an integer number (14457639027000).

Almost surely, 2^{400125505054005} is an apocalyptic number.

400125505054005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

400125505054005 is a deficient number, since it is larger than the sum of its proper divisors (293841168241995).

400125505054005 is a wasteful number, since it uses less digits than its factorization.

400125505054005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320298 (or 320295 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 400125505054005 in words is "four hundred trillion, one hundred twenty-five billion, five hundred five million, fifty-four thousand, five".