402034505553265 has 32 divisors (see below), whose sum is σ = 519996425064480. Its totient is φ = 296633239658496.

The previous prime is 402034505553259. The next prime is 402034505553287. The reversal of 402034505553265 is 562355505430204.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 264642748408336 + 137391757144929 = 16267844^2 + 11721423^2 .

It is not a de Polignac number, because 402034505553265 - 2⁹ = 402034505552753 is a prime.

It is a super-2 number, since 2×402034505553265² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3726870369 + ... + 3726978241.

It is an arithmetic number, because the mean of its divisors is an integer number (16249888283265).

Almost surely, 2^{402034505553265} is an apocalyptic number.

It is an amenable number.

402034505553265 is a deficient number, since it is larger than the sum of its proper divisors (117961919511215).

402034505553265 is a wasteful number, since it uses less digits than its factorization.

402034505553265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156373.

The product of its (nonzero) digits is 10800000, while the sum is 49.

The spelling of 402034505553265 in words is "four hundred two trillion, thirty-four billion, five hundred five million, five hundred fifty-three thousand, two hundred sixty-five".