1840402674 has 32 divisors (see below), whose sum is σ = 4461583680. Its totient is φ = 557697600.

The previous prime is 1840402667. The next prime is 1840402771. The reversal of 1840402674 is 4762040481.

1840402674 is a `hidden beast` number, since 184 + 0 + 402 + 6 + 74 = 666.

1840402674 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548567 + ... + 1549754.

It is an arithmetic number, because the mean of its divisors is an integer number (139424490).

Almost surely, 2^1840402674 is an apocalyptic number.

1840402674 is an abundant number, since it is smaller than the sum of its proper divisors (2621181006).

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

1840402674 is a wasteful number, since it uses less digits than its factorization.

1840402674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098343 (or 3098337 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1840402674 is about 42899.9146152996. The cubic root of 1840402674 is about 1225.4745181514.

It can be divided in two parts, 18404026 and 74, that added together give a square (18404100 = 4290²).

The spelling of 1840402674 in words is "one billion, eight hundred forty million, four hundred two thousand, six hundred seventy-four".