3781109240 has 16 divisors (see below), whose sum is σ = 8507495880. Its totient is φ = 1512443680.

The previous prime is 3781109191. The next prime is 3781109287. The reversal of 3781109240 is 429011873.

It is a self number, because there is not a number n which added to its sum of digits gives 3781109240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47263826 + ... + 47263905.

Almost surely, 2^3781109240 is an apocalyptic number.

It is an amenable number.

3781109240 is an abundant number, since it is smaller than the sum of its proper divisors (4726386640).

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

3781109240 is a wasteful number, since it uses less digits than its factorization.

3781109240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94527742 (or 94527738 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 3781109240 is about 61490.7248290342. The cubic root of 3781109240 is about 1557.9005892551.

The spelling of 3781109240 in words is "three billion, seven hundred eighty-one million, one hundred nine thousand, two hundred forty".