401144322555 has 12 divisors (see below), whose sum is σ = 695316825840. Its totient is φ = 213943638672.

The previous prime is 401144322533. The next prime is 401144322571. The reversal of 401144322555 is 555223441104.

401144322555 is a `hidden beast` number, since 40 + 1 + 1 + 4 + 43 + 22 + 555 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-401144322555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4457159095 + ... + 4457159184.

It is an arithmetic number, because the mean of its divisors is an integer number (57943068820).

Almost surely, 2^401144322555 is an apocalyptic number.

401144322555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401144322555 is a deficient number, since it is larger than the sum of its proper divisors (294172503285).

401144322555 is a wasteful number, since it uses less digits than its factorization.

401144322555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914318290 (or 8914318287 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 401144322555 its reverse (555223441104), we get a palindrome (956367763659).

The spelling of 401144322555 in words is "four hundred one billion, one hundred forty-four million, three hundred twenty-two thousand, five hundred fifty-five".