401355573622 has 16 divisors (see below), whose sum is σ = 611755778592. Its totient is φ = 197460898560.

The previous prime is 401355573617. The next prime is 401355573629. The reversal of 401355573622 is 226375553104.

It is a happy number.

It is a super-2 number, since 2×401355573622² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401355573629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945754 + ... + 6012877.

It is an arithmetic number, because the mean of its divisors is an integer number (38234736162).

Almost surely, 2^401355573622 is an apocalyptic number.

401355573622 is a deficient number, since it is larger than the sum of its proper divisors (210400204970).

401355573622 is a wasteful number, since it uses less digits than its factorization.

401355573622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11958903.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 401355573622 in words is "four hundred one billion, three hundred fifty-five million, five hundred seventy-three thousand, six hundred twenty-two".