40373738333872 has 10 divisors (see below), whose sum is σ = 78224118021908. Its totient is φ = 20186869166928.

The previous prime is 40373738333867. The next prime is 40373738333879. The reversal of 40373738333872 is 27833383737304.

It is a self number, because there is not a number n which added to its sum of digits gives 40373738333872.

It is not an unprimeable number, because it can be changed into a prime (40373738333879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261679322918 + ... + 1261679322949.

Almost surely, 2^{40373738333872} is an apocalyptic number.

It is an amenable number.

40373738333872 is a deficient number, since it is larger than the sum of its proper divisors (37850379688036).

40373738333872 is a wasteful number, since it uses less digits than its factorization.

40373738333872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523358645875 (or 2523358645869 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 61.

The spelling of 40373738333872 in words is "forty trillion, three hundred seventy-three billion, seven hundred thirty-eight million, three hundred thirty-three thousand, eight hundred seventy-two".