39941352990 has 128 divisors (see below), whose sum is σ = 132792099840. Its totient is φ = 8299497600.

The previous prime is 39941352977. The next prime is 39941353031. The reversal of 39941352990 is 9925314993.

39941352990 is a `hidden beast` number, since 3 + 99 + 413 + 52 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 939801 + ... + 981380.

It is an arithmetic number, because the mean of its divisors is an integer number (1037438280).

Almost surely, 2^39941352990 is an apocalyptic number.

39941352990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39941352990 is an abundant number, since it is smaller than the sum of its proper divisors (92850746850).

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

39941352990 is a wasteful number, since it uses less digits than its factorization.

39941352990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921215 (or 1921209 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The spelling of 39941352990 in words is "thirty-nine billion, nine hundred forty-one million, three hundred fifty-two thousand, nine hundred ninety".