7388172072040 has 32 divisors (see below), whose sum is σ = 16623530542080. Its totient is φ = 2955243339072.

The previous prime is 7388172072007. The next prime is 7388172072041. The reversal of 7388172072040 is 402702718837.

It is not an unprimeable number, because it can be changed into a prime (7388172072041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301869 + ... + 5769091.

It is an arithmetic number, because the mean of its divisors is an integer number (519485329440).

Almost surely, 2^{7388172072040} is an apocalyptic number.

It is an amenable number.

7388172072040 is an abundant number, since it is smaller than the sum of its proper divisors (9235358470040).

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

7388172072040 is a wasteful number, since it uses less digits than its factorization.

7388172072040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593121 (or 1593117 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 7388172072040 in words is "seven trillion, three hundred eighty-eight billion, one hundred seventy-two million, seventy-two thousand, forty".