255453251402 has 4 divisors (see below), whose sum is σ = 383179877106. Its totient is φ = 127726625700.

The previous prime is 255453251393. The next prime is 255453251453. The reversal of 255453251402 is 204152354552.

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

It can be written as a sum of positive squares in only one way, i.e., 196267606441 + 59185644961 = 443021^2 + 243281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63863312849 + ... + 63863312852.

Almost surely, 2^255453251402 is an apocalyptic number.

255453251402 is a deficient number, since it is larger than the sum of its proper divisors (127726625704).

255453251402 is a wasteful number, since it uses less digits than its factorization.

255453251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127726625703.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 255453251402 in words is "two hundred fifty-five billion, four hundred fifty-three million, two hundred fifty-one thousand, four hundred two".