17378440972 has 48 divisors (see below), whose sum is σ = 32813383680. Its totient is φ = 8028504000.

The previous prime is 17378440967. The next prime is 17378440987. The reversal of 17378440972 is 27904487371.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497397 + ... + 531187.

It is an arithmetic number, because the mean of its divisors is an integer number (683612160).

Almost surely, 2^17378440972 is an apocalyptic number.

It is an amenable number.

17378440972 is a deficient number, since it is larger than the sum of its proper divisors (15434942708).

17378440972 is a wasteful number, since it uses less digits than its factorization.

17378440972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33982 (or 33980 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 17378440972 in words is "seventeen billion, three hundred seventy-eight million, four hundred forty thousand, nine hundred seventy-two".