1814400774 has 12 divisors (see below), whose sum is σ = 3931201716. Its totient is φ = 604800252.

The previous prime is 1814400773. The next prime is 1814400817. The reversal of 1814400774 is 4770044181.

1814400774 is a `hidden beast` number, since 181 + 4 + 400 + 7 + 74 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814400773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50400004 + ... + 50400039.

It is an arithmetic number, because the mean of its divisors is an integer number (327600143).

Almost surely, 2^1814400774 is an apocalyptic number.

1814400774 is an abundant number, since it is smaller than the sum of its proper divisors (2116800942).

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

1814400774 is a wasteful number, since it uses less digits than its factorization.

1814400774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100800051 (or 100800048 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 1814400774 is about 42595.7835237245. The cubic root of 1814400774 is about 1219.6758016105.

The spelling of 1814400774 in words is "one billion, eight hundred fourteen million, four hundred thousand, seven hundred seventy-four".