3684640381074 has 32 divisors (see below), whose sum is σ = 8202480120000. Its totient is φ = 1226054902752.

The previous prime is 3684640381057. The next prime is 3684640381111. The reversal of 3684640381074 is 4701830464863.

3684640381074 is a `hidden beast` number, since 36 + 8 + 464 + 0 + 3 + 81 + 0 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3684640381074.

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, 59928924 + ... + 59990375.

It is an arithmetic number, because the mean of its divisors is an integer number (256327503750).

Almost surely, 2^{3684640381074} is an apocalyptic number.

3684640381074 is an abundant number, since it is smaller than the sum of its proper divisors (4517839738926).

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

3684640381074 is a wasteful number, since it uses less digits than its factorization.

3684640381074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119919879 (or 119919873 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 3684640381074 in words is "three trillion, six hundred eighty-four billion, six hundred forty million, three hundred eighty-one thousand, seventy-four".