402513331055 has 24 divisors (see below), whose sum is σ = 532730653056. Its totient is φ = 291737737280.

The previous prime is 402513331037. The next prime is 402513331061. The reversal of 402513331055 is 550133315204.

It is not a de Polignac number, because 402513331055 - 2²² = 402509136751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 958079 + ... + 1312608.

It is an arithmetic number, because the mean of its divisors is an integer number (22197110544).

Almost surely, 2^402513331055 is an apocalyptic number.

402513331055 is a deficient number, since it is larger than the sum of its proper divisors (130217322001).

402513331055 is a wasteful number, since it uses less digits than its factorization.

402513331055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271007 (or 2270996 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 402513331055 its reverse (550133315204), we get a palindrome (952646646259).

The spelling of 402513331055 in words is "four hundred two billion, five hundred thirteen million, three hundred thirty-one thousand, fifty-five".