40340836465 has 8 divisors (see below), whose sum is σ = 48698879040. Its totient is φ = 32079418992.

The previous prime is 40340836439. The next prime is 40340836513. The reversal of 40340836465 is 56463804304.

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 40340836465 - 2¹⁷ = 40340705393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24155355 + ... + 24157024.

It is an arithmetic number, because the mean of its divisors is an integer number (6087359880).

Almost surely, 2^40340836465 is an apocalyptic number.

It is an amenable number.

40340836465 is a deficient number, since it is larger than the sum of its proper divisors (8358042575).

40340836465 is a wasteful number, since it uses less digits than its factorization.

40340836465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48312551.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 40340836465 in words is "forty billion, three hundred forty million, eight hundred thirty-six thousand, four hundred sixty-five".