40135424052 has 24 divisors (see below), whose sum is σ = 94119928000. Its totient is φ = 13311245376.

The previous prime is 40135424039. The next prime is 40135424053. The reversal of 40135424052 is 25042453104.

It is a super-2 number, since 2×40135424052² (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 (40135424053) 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, 8401177 + ... + 8405952.

Almost surely, 2^40135424052 is an apocalyptic number.

It is an amenable number.

40135424052 is an abundant number, since it is smaller than the sum of its proper divisors (53984503948).

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

40135424052 is a wasteful number, since it uses less digits than its factorization.

40135424052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807335 (or 16807333 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40135424052 its reverse (25042453104), we get a palindrome (65177877156).

The spelling of 40135424052 in words is "forty billion, one hundred thirty-five million, four hundred twenty-four thousand, fifty-two".