400255545342405 has 32 divisors (see below), whose sum is σ = 671285080287360. Its totient is φ = 203419721272320.

The previous prime is 400255545342391. The next prime is 400255545342439. The reversal of 400255545342405 is 504243545552004.

It is not a de Polignac number, because 400255545342405 - 2²⁸ = 400255276906949 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, 7567671520 + ... + 7567724409.

It is an arithmetic number, because the mean of its divisors is an integer number (20977658758980).

Almost surely, 2^{400255545342405} is an apocalyptic number.

It is an amenable number.

400255545342405 is a deficient number, since it is larger than the sum of its proper divisors (271029534944955).

400255545342405 is a wasteful number, since it uses less digits than its factorization.

400255545342405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15135396021.

The product of its (nonzero) digits is 9600000, while the sum is 48.

The spelling of 400255545342405 in words is "four hundred trillion, two hundred fifty-five billion, five hundred forty-five million, three hundred forty-two thousand, four hundred five".