401232400425513 has 16 divisors (see below), whose sum is σ = 594431274507840. Its totient is φ = 267482460372192.

The previous prime is 401232400425509. The next prime is 401232400425539. The reversal of 401232400425513 is 315524004232104.

It is a happy number.

401232400425513 is a `hidden beast` number, since 4 + 0 + 1 + 23 + 2 + 40 + 0 + 42 + 551 + 3 = 666.

It is not a de Polignac number, because 401232400425513 - 2² = 401232400425509 is a prime.

It is a super-2 number, since 2×401232400425513² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401232400425583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160026831 + ... + 162514772.

It is an arithmetic number, because the mean of its divisors is an integer number (37151954656740).

Almost surely, 2^{401232400425513} is an apocalyptic number.

It is an amenable number.

401232400425513 is a deficient number, since it is larger than the sum of its proper divisors (193198874082327).

401232400425513 is a wasteful number, since it uses less digits than its factorization.

401232400425513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322587685 (or 322587679 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 401232400425513 its reverse (315524004232104), we get a palindrome (716756404657617).

The spelling of 401232400425513 in words is "four hundred one trillion, two hundred thirty-two billion, four hundred million, four hundred twenty-five thousand, five hundred thirteen".