40327949731 has 8 divisors (see below), whose sum is σ = 40896253728. Its totient is φ = 39762960000.

The previous prime is 40327949713. The next prime is 40327949741. The reversal of 40327949731 is 13794972304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40327949731 - 2⁷ = 40327949603 is a prime.

It is a super-2 number, since 2×40327949731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40327949741) 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, 804055 + ... + 852736.

It is an arithmetic number, because the mean of its divisors is an integer number (5112031716).

Almost surely, 2^40327949731 is an apocalyptic number.

40327949731 is a deficient number, since it is larger than the sum of its proper divisors (568303997).

40327949731 is a wasteful number, since it uses less digits than its factorization.

40327949731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657133.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 40327949731 in words is "forty billion, three hundred twenty-seven million, nine hundred forty-nine thousand, seven hundred thirty-one".