40413387961 has 8 divisors (see below), whose sum is σ = 42722989920. Its totient is φ = 38122044192.

The previous prime is 40413387947. The next prime is 40413387991. The reversal of 40413387961 is 16978331404.

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 40413387961 - 2¹⁷ = 40413256889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40413387901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559995 + ... + 4568848.

It is an arithmetic number, because the mean of its divisors is an integer number (5340373740).

Almost surely, 2^40413387961 is an apocalyptic number.

It is an amenable number.

40413387961 is a deficient number, since it is larger than the sum of its proper divisors (2309601959).

40413387961 is a wasteful number, since it uses less digits than its factorization.

40413387961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129095.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 40413387961 in words is "forty billion, four hundred thirteen million, three hundred eighty-seven thousand, nine hundred sixty-one".