401367535525 has 12 divisors (see below), whose sum is σ = 542940812064. Its totient is φ = 291903662000.

The previous prime is 401367535523. The next prime is 401367535609. The reversal of 401367535525 is 525535763104.

It is not a de Polignac number, because 401367535525 - 2¹ = 401367535523 is a prime.

It is a super-2 number, since 2×401367535525² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401367535523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729758881 + ... + 729759430.

It is an arithmetic number, because the mean of its divisors is an integer number (45245067672).

Almost surely, 2^401367535525 is an apocalyptic number.

It is an amenable number.

401367535525 is a deficient number, since it is larger than the sum of its proper divisors (141573276539).

401367535525 is a wasteful number, since it uses less digits than its factorization.

401367535525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459518332 (or 1459518327 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 401367535525 in words is "four hundred one billion, three hundred sixty-seven million, five hundred thirty-five thousand, five hundred twenty-five".