255071404 has 24 divisors (see below), whose sum is σ = 519771168. Its totient is φ = 107253120.

The previous prime is 255071393. The next prime is 255071423. The reversal of 255071404 is 404170552.

It is a super-2 number, since 2×255071404² = 130122842277062432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 84457 + ... + 87424.

It is an arithmetic number, because the mean of its divisors is an integer number (21657132).

Almost surely, 2^255071404 is an apocalyptic number.

It is an amenable number.

255071404 is an abundant number, since it is smaller than the sum of its proper divisors (264699764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255071404 is a wasteful number, since it uses less digits than its factorization.

255071404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171945 (or 171943 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 255071404 is about 15970.9550121463. The cubic root of 255071404 is about 634.1917540371.

The spelling of 255071404 in words is "two hundred fifty-five million, seventy-one thousand, four hundred four".