402455255 has 4 divisors (see below), whose sum is σ = 482946312. Its totient is φ = 321964200.

The previous prime is 402455233. The next prime is 402455257. The reversal of 402455255 is 552554204.

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

It is not a de Polignac number, because 402455255 - 2⁶ = 402455191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402455257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40245521 + ... + 40245530.

It is an arithmetic number, because the mean of its divisors is an integer number (120736578).

Almost surely, 2^402455255 is an apocalyptic number.

402455255 is a deficient number, since it is larger than the sum of its proper divisors (80491057).

402455255 is an equidigital number, since it uses as much as digits as its factorization.

402455255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80491056.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 402455255 is about 20061.2874711470. The cubic root of 402455255 is about 738.3107651683.

The spelling of 402455255 in words is "four hundred two million, four hundred fifty-five thousand, two hundred fifty-five".