402536554145 has 16 divisors (see below), whose sum is σ = 538168796928. Its totient is φ = 286525050240.

The previous prime is 402536554109. The next prime is 402536554253. The reversal of 402536554145 is 541455635204.

It is not a de Polignac number, because 402536554145 - 2¹² = 402536550049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402536554096 and 402536554105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77857484 + ... + 77862653.

It is an arithmetic number, because the mean of its divisors is an integer number (33635549808).

Almost surely, 2^402536554145 is an apocalyptic number.

It is an amenable number.

402536554145 is a deficient number, since it is larger than the sum of its proper divisors (135632242783).

402536554145 is a wasteful number, since it uses less digits than its factorization.

402536554145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155720200.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 402536554145 in words is "four hundred two billion, five hundred thirty-six million, five hundred fifty-four thousand, one hundred forty-five".