40964669993 has 24 divisors (see below), whose sum is σ = 45033459840. Its totient is φ = 37239121920.

The previous prime is 40964669989. The next prime is 40964670017. The reversal of 40964669993 is 39996646904.

It is not a de Polignac number, because 40964669993 - 2² = 40964669989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40964669393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16905380 + ... + 16907802.

It is an arithmetic number, because the mean of its divisors is an integer number (1876394160).

Almost surely, 2^40964669993 is an apocalyptic number.

It is an amenable number.

40964669993 is a deficient number, since it is larger than the sum of its proper divisors (4068789847).

40964669993 is a wasteful number, since it uses less digits than its factorization.

40964669993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 68024448, while the sum is 65.

The spelling of 40964669993 in words is "forty billion, nine hundred sixty-four million, six hundred sixty-nine thousand, nine hundred ninety-three".