402402153 has 16 divisors (see below), whose sum is σ = 542767680. Its totient is φ = 265165824.

The previous prime is 402402139. The next prime is 402402157. The reversal of 402402153 is 351204204.

It is not a de Polignac number, because 402402153 - 2¹⁴ = 402385769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402402157) 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, 140625 + ... + 143457.

It is an arithmetic number, because the mean of its divisors is an integer number (33922980).

Almost surely, 2^402402153 is an apocalyptic number.

It is an amenable number.

402402153 is a deficient number, since it is larger than the sum of its proper divisors (140365527).

402402153 is a wasteful number, since it uses less digits than its factorization.

402402153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 402402153 is about 20059.9639331680. The cubic root of 402402153 is about 738.2782915767.

Adding to 402402153 its reverse (351204204), we get a palindrome (753606357).

The spelling of 402402153 in words is "four hundred two million, four hundred two thousand, one hundred fifty-three".