40672573208 has 8 divisors (see below), whose sum is σ = 76261074780. Its totient is φ = 20336286600.

The previous prime is 40672573163. The next prime is 40672573213. The reversal of 40672573208 is 80237527604.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40672573208² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2542035818 + ... + 2542035833.

Almost surely, 2^40672573208 is an apocalyptic number.

It is an amenable number.

40672573208 is a deficient number, since it is larger than the sum of its proper divisors (35588501572).

40672573208 is a wasteful number, since it uses less digits than its factorization.

40672573208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084071657 (or 5084071653 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40672573208 in words is "forty billion, six hundred seventy-two million, five hundred seventy-three thousand, two hundred eight".