40423041525 has 24 divisors (see below), whose sum is σ = 66838668480. Its totient is φ = 21557050240.

The previous prime is 40423041493. The next prime is 40423041601. The reversal of 40423041525 is 52514032404.

It is not a de Polignac number, because 40423041525 - 2⁵ = 40423041493 is a prime.

It is a super-2 number, since 2×40423041525² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40423041492 and 40423041501.

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, 1373161 + ... + 1402289.

It is an arithmetic number, because the mean of its divisors is an integer number (2784944520).

Almost surely, 2^40423041525 is an apocalyptic number.

It is an amenable number.

40423041525 is a deficient number, since it is larger than the sum of its proper divisors (26415626955).

40423041525 is a wasteful number, since it uses less digits than its factorization.

40423041525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47645 (or 47640 counting only the distinct ones).

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

Adding to 40423041525 its reverse (52514032404), we get a palindrome (92937073929).

The spelling of 40423041525 in words is "forty billion, four hundred twenty-three million, forty-one thousand, five hundred twenty-five".