402160355 has 4 divisors (see below), whose sum is σ = 482592432. Its totient is φ = 321728280.

The previous prime is 402160321. The next prime is 402160357. The reversal of 402160355 is 553061204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 402160355 - 2¹² = 402156259 is a prime.

It is a super-2 number, since 2×402160355² = 323465902267452050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402160357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40216031 + ... + 40216040.

It is an arithmetic number, because the mean of its divisors is an integer number (120648108).

Almost surely, 2^402160355 is an apocalyptic number.

402160355 is a deficient number, since it is larger than the sum of its proper divisors (80432077).

402160355 is an equidigital number, since it uses as much as digits as its factorization.

402160355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80432076.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 402160355 is about 20053.9361473004. The cubic root of 402160355 is about 738.1303881419.

The spelling of 402160355 in words is "four hundred two million, one hundred sixty thousand, three hundred fifty-five".