3959380040 has 64 divisors (see below), whose sum is σ = 11106840960. Its totient is φ = 1234091520.

The previous prime is 3959380031. The next prime is 3959380069. The reversal of 3959380040 is 400839593.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3959380040.

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 15 ways as a sum of consecutive naturals, for example, 639677 + ... + 645836.

It is an arithmetic number, because the mean of its divisors is an integer number (173544390).

Almost surely, 2^3959380040 is an apocalyptic number.

It is an amenable number.

3959380040 is an abundant number, since it is smaller than the sum of its proper divisors (7147460920).

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

3959380040 is a wasteful number, since it uses less digits than its factorization.

3959380040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285542 (or 1285538 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 3959380040 is about 62923.6047918426. The cubic root of 3959380040 is about 1582.0094126213.

The spelling of 3959380040 in words is "three billion, nine hundred fifty-nine million, three hundred eighty thousand, forty".