40231310525 has 24 divisors (see below), whose sum is σ = 57037420800. Its totient is φ = 27575616960.

The previous prime is 40231310489. The next prime is 40231310531. The reversal of 40231310525 is 52501313204.

It is a happy number.

It is not a de Polignac number, because 40231310525 - 2⁶ = 40231310461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40231310494 and 40231310503.

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, 381251 + ... + 475199.

It is an arithmetic number, because the mean of its divisors is an integer number (2376559200).

Almost surely, 2^40231310525 is an apocalyptic number.

It is an amenable number.

40231310525 is a deficient number, since it is larger than the sum of its proper divisors (16806110275).

40231310525 is a wasteful number, since it uses less digits than its factorization.

40231310525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96413 (or 96408 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40231310525 its reverse (52501313204), we get a palindrome (92732623729).

The spelling of 40231310525 in words is "forty billion, two hundred thirty-one million, three hundred ten thousand, five hundred twenty-five".