402531620103601 has 16 divisors (see below), whose sum is σ = 414269002136448. Its totient is φ = 390839466124800.

The previous prime is 402531620103589. The next prime is 402531620103619. The reversal of 402531620103601 is 106301026135204.

It is a cyclic number.

It is not a de Polignac number, because 402531620103601 - 2⁴¹ = 400332596848049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402531620103631) 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, 479607361 + ... + 480445921.

It is an arithmetic number, because the mean of its divisors is an integer number (25891812633528).

Almost surely, 2^{402531620103601} is an apocalyptic number.

It is an amenable number.

402531620103601 is a deficient number, since it is larger than the sum of its proper divisors (11737382032847).

402531620103601 is a wasteful number, since it uses less digits than its factorization.

402531620103601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865512.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 402531620103601 its reverse (106301026135204), we get a palindrome (508832646238805).

The spelling of 402531620103601 in words is "four hundred two trillion, five hundred thirty-one billion, six hundred twenty million, one hundred three thousand, six hundred one".