40464915091923 has 8 divisors (see below), whose sum is σ = 61660822997248. Its totient is φ = 23122808623944.

The previous prime is 40464915091897. The next prime is 40464915091981. The reversal of 40464915091923 is 32919051946404.

It is a happy number.

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

It is not a de Polignac number, because 40464915091923 - 2¹² = 40464915087827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40464915096923) 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, 963450359311 + ... + 963450359352.

It is an arithmetic number, because the mean of its divisors is an integer number (7707602874656).

Almost surely, 2^{40464915091923} is an apocalyptic number.

40464915091923 is a deficient number, since it is larger than the sum of its proper divisors (21195907905325).

40464915091923 is a wasteful number, since it uses less digits than its factorization.

40464915091923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926900718673.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 40464915091923 in words is "forty trillion, four hundred sixty-four billion, nine hundred fifteen million, ninety-one thousand, nine hundred twenty-three".