401515626255 has 64 divisors (see below), whose sum is σ = 674664173568. Its totient is φ = 203692298240.

The previous prime is 401515626221. The next prime is 401515626283. The reversal of 401515626255 is 552626515104.

It is not a de Polignac number, because 401515626255 - 2⁶ = 401515626191 is a prime.

It is a super-2 number, since 2×401515626255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7575607 + ... + 7628423.

It is an arithmetic number, because the mean of its divisors is an integer number (10541627712).

Almost surely, 2^401515626255 is an apocalyptic number.

401515626255 is a deficient number, since it is larger than the sum of its proper divisors (273148547313).

401515626255 is a wasteful number, since it uses less digits than its factorization.

401515626255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53176.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 401515626255 in words is "four hundred one billion, five hundred fifteen million, six hundred twenty-six thousand, two hundred fifty-five".