40136335032 has 32 divisors (see below), whose sum is σ = 100447981200. Its totient is φ = 13364492544.

The previous prime is 40136335027. The next prime is 40136335039. The reversal of 40136335032 is 23053363104.

It is a super-2 number, since 2×40136335032² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136335039) 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, 869907 + ... + 914882.

Almost surely, 2^40136335032 is an apocalyptic number.

It is an amenable number.

40136335032 is an abundant number, since it is smaller than the sum of its proper divisors (60311646168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40136335032 is a wasteful number, since it uses less digits than its factorization.

40136335032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785735 (or 1785731 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 40136335032 its reverse (23053363104), we get a palindrome (63189698136).

The spelling of 40136335032 in words is "forty billion, one hundred thirty-six million, three hundred thirty-five thousand, thirty-two".