402413291 has 8 divisors (see below), whose sum is σ = 460339680. Its totient is φ = 344596608.

The previous prime is 402413269. The next prime is 402413311. The reversal of 402413291 is 192314204.

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 402413291 - 2¹⁸ = 402151147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402413291.

It is not an unprimeable number, because it can be changed into a prime (402413261) 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, 19406 + ... + 34371.

It is an arithmetic number, because the mean of its divisors is an integer number (57542460).

Almost surely, 2^402413291 is an apocalyptic number.

402413291 is a deficient number, since it is larger than the sum of its proper divisors (57926389).

402413291 is a wasteful number, since it uses less digits than its factorization.

402413291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54853.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 402413291 is about 20060.2415488947. The cubic root of 402413291 is about 738.2851030610.

Adding to 402413291 its reverse (192314204), we get a palindrome (594727495).

The spelling of 402413291 in words is "four hundred two million, four hundred thirteen thousand, two hundred ninety-one".