40240803636825 has 48 divisors (see below), whose sum is σ = 72581628288000. Its totient is φ = 19510194945600.

The previous prime is 40240803636821. The next prime is 40240803636833. The reversal of 40240803636825 is 52863630804204.

It is not a de Polignac number, because 40240803636825 - 2² = 40240803636821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40240803636821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32826276 + ... + 34030074.

It is an arithmetic number, because the mean of its divisors is an integer number (1512117256000).

Almost surely, 2^{40240803636825} is an apocalyptic number.

It is an amenable number.

40240803636825 is a deficient number, since it is larger than the sum of its proper divisors (32340824651175).

40240803636825 is a wasteful number, since it uses less digits than its factorization.

40240803636825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244342 (or 1244337 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 40240803636825 in words is "forty trillion, two hundred forty billion, eight hundred three million, six hundred thirty-six thousand, eight hundred twenty-five".