1255406364 has 30 divisors (see below), whose sum is σ = 3281881064. Its totient is φ = 418468680.

The previous prime is 1255406359. The next prime is 1255406377. The reversal of 1255406364 is 4636045521.

1255406364 is a `hidden beast` number, since 1 + 255 + 40 + 6 + 364 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1937032 + ... + 1937679.

Almost surely, 2^1255406364 is an apocalyptic number.

It is an amenable number.

1255406364 is an abundant number, since it is smaller than the sum of its proper divisors (2026474700).

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

1255406364 is a wasteful number, since it uses less digits than its factorization.

1255406364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874727 (or 3874716 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1255406364 is about 35431.7140990949. The cubic root of 1255406364 is about 1078.7681324809.

The spelling of 1255406364 in words is "one billion, two hundred fifty-five million, four hundred six thousand, three hundred sixty-four".