402345365643 has 64 divisors (see below), whose sum is σ = 653904921600. Its totient is φ = 242988076800.

The previous prime is 402345365621. The next prime is 402345365677. The reversal of 402345365643 is 346563543204.

402345365643 is a `hidden beast` number, since 4 + 0 + 2 + 34 + 53 + 6 + 564 + 3 = 666.

It is not a de Polignac number, because 402345365643 - 2⁶ = 402345365579 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (402345365603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12429946 + ... + 12462272.

It is an arithmetic number, because the mean of its divisors is an integer number (10217264400).

Almost surely, 2^402345365643 is an apocalyptic number.

402345365643 is a deficient number, since it is larger than the sum of its proper divisors (251559555957).

402345365643 is a wasteful number, since it uses less digits than its factorization.

402345365643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009 (or 33003 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

The spelling of 402345365643 in words is "four hundred two billion, three hundred forty-five million, three hundred sixty-five thousand, six hundred forty-three".