402532765 has 16 divisors (see below), whose sum is σ = 510710400. Its totient is φ = 303728832.

The previous prime is 402532763. The next prime is 402532777. The reversal of 402532765 is 567235204.

It is not a de Polignac number, because 402532765 - 2¹ = 402532763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402532765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402532763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12504 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (31919400).

Almost surely, 2^402532765 is an apocalyptic number.

It is an amenable number.

402532765 is a deficient number, since it is larger than the sum of its proper divisors (108177635).

402532765 is a wasteful number, since it uses less digits than its factorization.

402532765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18756.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 402532765 is about 20063.2192082926. The cubic root of 402532765 is about 738.3581599145.

Adding to 402532765 its reverse (567235204), we get a palindrome (969767969).

The spelling of 402532765 in words is "four hundred two million, five hundred thirty-two thousand, seven hundred sixty-five".