40000000000025 has 24 divisors (see below), whose sum is σ = 53415692676864. Its totient is φ = 29538291182400.

The previous prime is 40000000000013. The next prime is 40000000000033. The reversal of 40000000000025 is 52000000000004.

It is a sliding number, since 40000000000025 = 25 + 40000000000000 and 1/25 + 1/40000000000000 = 0.040000000000025.

It is not a de Polignac number, because 40000000000025 - 2³⁰ = 39998926258201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39999999999916 and 40000000000015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97689272 + ... + 98097878.

It is an arithmetic number, because the mean of its divisors is an integer number (2225653861536).

Almost surely, 2^{40000000000025} is an apocalyptic number.

It is an amenable number.

40000000000025 is a deficient number, since it is larger than the sum of its proper divisors (13415692676839).

40000000000025 is a wasteful number, since it uses less digits than its factorization.

40000000000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709841 (or 709836 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

Adding to 40000000000025 its reverse (52000000000004), we get a palindrome (92000000000029).

It can be divided in two parts, 400000000000 and 25, that multiplied together give a 13-th power (10000000000000 = 10¹³).

The spelling of 40000000000025 in words is "forty trillion, twenty-five", and thus it is an aban number and an uban number.