3918790240 has 48 divisors (see below), whose sum is σ = 9265620672. Its totient is φ = 1566249984.

The previous prime is 3918790231. The next prime is 3918790247. The reversal of 3918790240 is 420978193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918790247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203092 + ... + 221548.

It is an arithmetic number, because the mean of its divisors is an integer number (193033764).

Almost surely, 2^3918790240 is an apocalyptic number.

It is an amenable number.

3918790240 is an abundant number, since it is smaller than the sum of its proper divisors (5346830432).

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

3918790240 is a wasteful number, since it uses less digits than its factorization.

3918790240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19799 (or 19791 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 3918790240 is about 62600.2415330804. The cubic root of 3918790240 is about 1576.5848147853.

The spelling of 3918790240 in words is "three billion, nine hundred eighteen million, seven hundred ninety thousand, two hundred forty".