3801391340 has 24 divisors (see below), whose sum is σ = 8258196240. Its totient is φ = 1468123328.

The previous prime is 3801391339. The next prime is 3801391343. The reversal of 3801391340 is 431931083.

It is a happy number.

It is a super-2 number, since 2×3801391340² = 28901152239653991200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3801391297 and 3801391306.

It is not an unprimeable number, because it can be changed into a prime (3801391343) 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, 3276482 + ... + 3277641.

It is an arithmetic number, because the mean of its divisors is an integer number (344091510).

Almost surely, 2^3801391340 is an apocalyptic number.

It is an amenable number.

3801391340 is an abundant number, since it is smaller than the sum of its proper divisors (4456804900).

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

3801391340 is a wasteful number, since it uses less digits than its factorization.

3801391340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554161 (or 6554159 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3801391340 is about 61655.4242544806. The cubic root of 3801391340 is about 1560.6811812578.

The spelling of 3801391340 in words is "three billion, eight hundred one million, three hundred ninety-one thousand, three hundred forty".