3990155526950 has 24 divisors (see below), whose sum is σ = 7421928626880. Its totient is φ = 1596010738400.

The previous prime is 3990155526893. The next prime is 3990155527031. The reversal of 3990155526950 is 596255510993.

It is a super-2 number, since 2×3990155526950² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3990155526950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298436 + ... + 2840664.

It is an arithmetic number, because the mean of its divisors is an integer number (309247026120).

Almost surely, 2^{3990155526950} is an apocalyptic number.

3990155526950 is a deficient number, since it is larger than the sum of its proper divisors (3431773099930).

3990155526950 is a wasteful number, since it uses less digits than its factorization.

3990155526950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573632 (or 2573627 counting only the distinct ones).

The product of its (nonzero) digits is 16402500, while the sum is 59.

The spelling of 3990155526950 in words is "three trillion, nine hundred ninety billion, one hundred fifty-five million, five hundred twenty-six thousand, nine hundred fifty".