40672724907 has 6 divisors (see below), whose sum is σ = 54230765628. Its totient is φ = 27114917064.

The previous prime is 40672724903. The next prime is 40672724941. The reversal of 40672724907 is 70942727604.

It is not a de Polignac number, because 40672724907 - 2² = 40672724903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40672724903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291093 + ... + 407529.

It is an arithmetic number, because the mean of its divisors is an integer number (9038460938).

Almost surely, 2^40672724907 is an apocalyptic number.

40672724907 is a deficient number, since it is larger than the sum of its proper divisors (13558040721).

40672724907 is an frugal number, since it uses more digits than its factorization.

40672724907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232877 (or 116440 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

Multiplying 40672724907 by its sum of digits (48), we get a square (1952290795536 = 1397244²).

The spelling of 40672724907 in words is "forty billion, six hundred seventy-two million, seven hundred twenty-four thousand, nine hundred seven".