402413331 has 8 divisors (see below), whose sum is σ = 564790720. Its totient is φ = 254155752.

The previous prime is 402413329. The next prime is 402413351. The reversal of 402413331 is 133314204.

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

It is not a de Polignac number, because 402413331 - 2¹ = 402413329 is a prime.

It is a super-2 number, since 2×402413331² = 323872977933031122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402413298 and 402413307.

It is not an unprimeable number, because it can be changed into a prime (402413311) 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, 3529885 + ... + 3529998.

It is an arithmetic number, because the mean of its divisors is an integer number (70598840).

Almost surely, 2^402413331 is an apocalyptic number.

402413331 is a deficient number, since it is larger than the sum of its proper divisors (162377389).

402413331 is a wasteful number, since it uses less digits than its factorization.

402413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059905.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 402413331 is about 20060.2425458916. The cubic root of 402413331 is about 738.2851275229.

Adding to 402413331 its reverse (133314204), we get a palindrome (535727535).

The spelling of 402413331 in words is "four hundred two million, four hundred thirteen thousand, three hundred thirty-one".