40465216939 has 8 divisors (see below), whose sum is σ = 46583525088. Its totient is φ = 34431299520.

The previous prime is 40465216853. The next prime is 40465216963. The reversal of 40465216939 is 93961256404.

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 40465216939 - 2³⁵ = 6105478571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40465216892 and 40465216901.

It is not an unprimeable number, because it can be changed into a prime (40465216999) 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, 21096652 + ... + 21098569.

It is an arithmetic number, because the mean of its divisors is an integer number (5822940636).

Almost surely, 2^40465216939 is an apocalyptic number.

40465216939 is a deficient number, since it is larger than the sum of its proper divisors (6118308149).

40465216939 is a wasteful number, since it uses less digits than its factorization.

40465216939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42195365.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 40465216939 in words is "forty billion, four hundred sixty-five million, two hundred sixteen thousand, nine hundred thirty-nine".