40450510239 has 16 divisors (see below), whose sum is σ = 55690758144. Its totient is φ = 26089164000.

The previous prime is 40450510231. The next prime is 40450510357. The reversal of 40450510239 is 93201505404.

It is not a de Polignac number, because 40450510239 - 2³ = 40450510231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450510231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249214 + ... + 378164.

It is an arithmetic number, because the mean of its divisors is an integer number (3480672384).

Almost surely, 2^40450510239 is an apocalyptic number.

40450510239 is a deficient number, since it is larger than the sum of its proper divisors (15240247905).

40450510239 is a wasteful number, since it uses less digits than its factorization.

40450510239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132358.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 40450510239 in words is "forty billion, four hundred fifty million, five hundred ten thousand, two hundred thirty-nine".