1855264468 has 12 divisors (see below), whose sum is σ = 3437696052. Its totient is φ = 873065600.

The previous prime is 1855264457. The next prime is 1855264483. The reversal of 1855264468 is 8644625581.

It can be written as a sum of positive squares in 2 ways, for example, as 842624784 + 1012639684 = 29028^2 + 31822^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13641583 + ... + 13641718.

It is an arithmetic number, because the mean of its divisors is an integer number (286474671).

Almost surely, 2^1855264468 is an apocalyptic number.

It is an amenable number.

1855264468 is a deficient number, since it is larger than the sum of its proper divisors (1582431584).

1855264468 is a wasteful number, since it uses less digits than its factorization.

1855264468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27283322 (or 27283320 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 1855264468 is about 43072.7810571827. The cubic root of 1855264468 is about 1228.7643677799.

The spelling of 1855264468 in words is "one billion, eight hundred fifty-five million, two hundred sixty-four thousand, four hundred sixty-eight".