40142433525 has 24 divisors (see below), whose sum is σ = 66495788640. Its totient is φ = 21368341440.

The previous prime is 40142433517. The next prime is 40142433553. The reversal of 40142433525 is 52533424104.

It is not a de Polignac number, because 40142433525 - 2³ = 40142433517 is a prime.

It is a super-2 number, since 2×40142433525² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472470 + ... + 550919.

It is an arithmetic number, because the mean of its divisors is an integer number (2770657860).

Almost surely, 2^40142433525 is an apocalyptic number.

It is an amenable number.

40142433525 is a deficient number, since it is larger than the sum of its proper divisors (26353355115).

40142433525 is a wasteful number, since it uses less digits than its factorization.

40142433525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023925 (or 1023920 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 40142433525 its reverse (52533424104), we get a palindrome (92675857629).

The spelling of 40142433525 in words is "forty billion, one hundred forty-two million, four hundred thirty-three thousand, five hundred twenty-five".