40002551225 has 48 divisors (see below), whose sum is σ = 61496147328. Its totient is φ = 25135280640.

The previous prime is 40002551191. The next prime is 40002551243. The reversal of 40002551225 is 52215520004.

It is not a de Polignac number, because 40002551225 - 2¹² = 40002547129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40002551194 and 40002551203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247502 + ... + 375848.

It is an arithmetic number, because the mean of its divisors is an integer number (1281169736).

Almost surely, 2^40002551225 is an apocalyptic number.

It is an amenable number.

40002551225 is a deficient number, since it is larger than the sum of its proper divisors (21493596103).

40002551225 is a wasteful number, since it uses less digits than its factorization.

40002551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128514 (or 128509 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 40002551225 in words is "forty billion, two million, five hundred fifty-one thousand, two hundred twenty-five".