402912355 has 4 divisors (see below), whose sum is σ = 483494832. Its totient is φ = 322329880.

The previous prime is 402912343. The next prime is 402912361. The reversal of 402912355 is 553219204.

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

It is not a de Polignac number, because 402912355 - 2⁹ = 402911843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40291231 + ... + 40291240.

It is an arithmetic number, because the mean of its divisors is an integer number (120873708).

Almost surely, 2^402912355 is an apocalyptic number.

402912355 is a deficient number, since it is larger than the sum of its proper divisors (80582477).

402912355 is an equidigital number, since it uses as much as digits as its factorization.

402912355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80582476.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 402912355 is about 20072.6768269705. The cubic root of 402912355 is about 738.5901785597.

It can be divided in two parts, 4029 and 12355, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 402912355 in words is "four hundred two million, nine hundred twelve thousand, three hundred fifty-five".