3955007045990 has 384 divisors, whose sum is σ = 10082286950400. Its totient is φ = 1096732707840.

The previous prime is 3955007045921. The next prime is 3955007046007. The reversal of 3955007045990 is 995407005593.

It is a happy number.

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 191 ways as a sum of consecutive naturals, for example, 1461028217 + ... + 1461030923.

It is an arithmetic number, because the mean of its divisors is an integer number (26255955600).

Almost surely, 2^{3955007045990} is an apocalyptic number.

3955007045990 is an abundant number, since it is smaller than the sum of its proper divisors (6127279904410).

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

3955007045990 is a wasteful number, since it uses less digits than its factorization.

3955007045990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 56.

The spelling of 3955007045990 in words is "three trillion, nine hundred fifty-five billion, seven million, forty-five thousand, nine hundred ninety".