401418535572 has 72 divisors (see below), whose sum is σ = 1049954036040. Its totient is φ = 129159233280.

The previous prime is 401418535571. The next prime is 401418535603. The reversal of 401418535572 is 275535814104.

401418535572 is a `hidden beast` number, since 4 + 0 + 1 + 41 + 8 + 5 + 35 + 572 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20539475856 + 380879059716 = 143316^2 + 617154^2 .

It is a super-2 number, since 2×401418535572² (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 (401418535571) 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 23 ways as a sum of consecutive naturals, for example, 4226122 + ... + 4320062.

It is an arithmetic number, because the mean of its divisors is an integer number (14582694945).

Almost surely, 2^401418535572 is an apocalyptic number.

It is an amenable number.

401418535572 is an abundant number, since it is smaller than the sum of its proper divisors (648535500468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401418535572 is a wasteful number, since it uses less digits than its factorization.

401418535572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98073 (or 98068 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 401418535572 in words is "four hundred one billion, four hundred eighteen million, five hundred thirty-five thousand, five hundred seventy-two".