402436065 has 16 divisors (see below), whose sum is σ = 644159808. Its totient is φ = 214545216.

The previous prime is 402436063. The next prime is 402436091. The reversal of 402436065 is 560634204.

It is not a de Polignac number, because 402436065 - 2¹ = 402436063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402436063) 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, 52402 + ... + 59588.

It is an arithmetic number, because the mean of its divisors is an integer number (40259988).

Almost surely, 2^402436065 is an apocalyptic number.

It is an amenable number.

402436065 is a deficient number, since it is larger than the sum of its proper divisors (241723743).

402436065 is a wasteful number, since it uses less digits than its factorization.

402436065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 402436065 is about 20060.8091810874. The cubic root of 402436065 is about 738.2990301919.

The spelling of 402436065 in words is "four hundred two million, four hundred thirty-six thousand, sixty-five".