3900018850344 has 96 divisors (see below), whose sum is σ = 10822397662440. Its totient is φ = 1268038195200.

The previous prime is 3900018850339. The next prime is 3900018850381. The reversal of 3900018850344 is 4430588100093.

3900018850344 is a `hidden beast` number, since 3 + 90 + 0 + 0 + 18 + 8 + 503 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3801868226244 + 98150624100 = 1949838^2 + 313290^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3900018850344.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14499804 + ... + 14766324.

Almost surely, 2^{3900018850344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3900018850344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5411198831220).

3900018850344 is an abundant number, since it is smaller than the sum of its proper divisors (6922378812096).

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

3900018850344 is a wasteful number, since it uses less digits than its factorization.

3900018850344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271531 (or 271524 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 3900018850344 in words is "three trillion, nine hundred billion, eighteen million, eight hundred fifty thousand, three hundred forty-four".