40135710025 has 12 divisors (see below), whose sum is σ = 49770893452. Its totient is φ = 32106882240.

The previous prime is 40135710011. The next prime is 40135710049. The reversal of 40135710025 is 52001753104.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 249229369 + 39886480656 = 15787^2 + 199716^2 .

It is not a de Polignac number, because 40135710025 - 2¹⁹ = 40135185737 is a prime.

It is a super-2 number, since 2×40135710025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40135709975 and 40135710002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699319 + ... + 754531.

Almost surely, 2^40135710025 is an apocalyptic number.

It is an amenable number.

40135710025 is a deficient number, since it is larger than the sum of its proper divisors (9635183427).

40135710025 is a wasteful number, since it uses less digits than its factorization.

40135710025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84300 (or 84295 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 40135710025 in words is "forty billion, one hundred thirty-five million, seven hundred ten thousand, twenty-five".