402536345 has 8 divisors (see below), whose sum is σ = 483158976. Its totient is φ = 321952176.

The previous prime is 402536339. The next prime is 402536347. The reversal of 402536345 is 543635204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402536345 - 2²² = 398342041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402536347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24284 + ... + 37346.

It is an arithmetic number, because the mean of its divisors is an integer number (60394872).

Almost surely, 2^402536345 is an apocalyptic number.

It is an amenable number.

402536345 is a deficient number, since it is larger than the sum of its proper divisors (80622631).

402536345 is a wasteful number, since it uses less digits than its factorization.

402536345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19231.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 402536345 is about 20063.3084260797. The cubic root of 402536345 is about 738.3603488165.

The spelling of 402536345 in words is "four hundred two million, five hundred thirty-six thousand, three hundred forty-five".