3916952555520 has 208 divisors, whose sum is σ = 12538962608832. Its totient is φ = 1044000276480.

The previous prime is 3916952555513. The next prime is 3916952555539. The reversal of 3916952555520 is 255552596193.

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, 132265515 + ... + 132295125.

Almost surely, 2^{3916952555520} is an apocalyptic number.

3916952555520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3916952555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6269481304416).

3916952555520 is an abundant number, since it is smaller than the sum of its proper divisors (8622010053312).

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

3916952555520 is a wasteful number, since it uses less digits than its factorization.

3916952555520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31796 (or 31774 counting only the distinct ones).

The product of its (nonzero) digits is 18225000, while the sum is 57.

The spelling of 3916952555520 in words is "three trillion, nine hundred sixteen billion, nine hundred fifty-two million, five hundred fifty-five thousand, five hundred twenty".