401025244555 has 32 divisors (see below), whose sum is σ = 519374802240. Its totient is φ = 295498506240.

The previous prime is 401025244549. The next prime is 401025244567. The reversal of 401025244555 is 555442520104.

It is not a de Polignac number, because 401025244555 - 2⁹ = 401025244043 is a prime.

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, 99780336 + ... + 99784354.

It is an arithmetic number, because the mean of its divisors is an integer number (16230462570).

Almost surely, 2^401025244555 is an apocalyptic number.

401025244555 is a deficient number, since it is larger than the sum of its proper divisors (118349557685).

401025244555 is a wasteful number, since it uses less digits than its factorization.

401025244555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 401025244555 its reverse (555442520104), we get a palindrome (956467764659).

The spelling of 401025244555 in words is "four hundred one billion, twenty-five million, two hundred forty-four thousand, five hundred fifty-five".