3951116540 has 48 divisors (see below), whose sum is σ = 10040490432. Its totient is φ = 1274981376.

The previous prime is 3951116539. The next prime is 3951116567. The reversal of 3951116540 is 456111593.

It is a super-2 number, since 2×3951116540² = 31222643825323143200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3951116540.

It is a congruent number.

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, 827687 + ... + 832446.

It is an arithmetic number, because the mean of its divisors is an integer number (209176884).

Almost surely, 2^3951116540 is an apocalyptic number.

It is an amenable number.

3951116540 is an abundant number, since it is smaller than the sum of its proper divisors (6089373892).

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

3951116540 is a wasteful number, since it uses less digits than its factorization.

3951116540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660166 (or 1660164 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 3951116540 is about 62857.9075375565. The cubic root of 3951116540 is about 1580.9080583760.

The spelling of 3951116540 in words is "three billion, nine hundred fifty-one million, one hundred sixteen thousand, five hundred forty".