40135083897 has 4 divisors (see below), whose sum is σ = 53513445200. Its totient is φ = 26756722596.

The previous prime is 40135083883. The next prime is 40135083917. The reversal of 40135083897 is 79838053104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40135083897 - 2¹⁰ = 40135082873 is a prime.

It is a super-2 number, since 2×40135083897² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40135083817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689180647 + ... + 6689180652.

It is an arithmetic number, because the mean of its divisors is an integer number (13378361300).

Almost surely, 2^40135083897 is an apocalyptic number.

It is an amenable number.

40135083897 is a deficient number, since it is larger than the sum of its proper divisors (13378361303).

40135083897 is a wasteful number, since it uses less digits than its factorization.

40135083897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378361302.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 40135083897 in words is "forty billion, one hundred thirty-five million, eighty-three thousand, eight hundred ninety-seven".