40187772325 has 12 divisors (see below), whose sum is σ = 50041350720. Its totient is φ = 32015693360.

The previous prime is 40187772311. The next prime is 40187772371. The reversal of 40187772325 is 52327778104.

It is not a de Polignac number, because 40187772325 - 2¹⁹ = 40187248037 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3357019 + ... + 3368968.

It is an arithmetic number, because the mean of its divisors is an integer number (4170112560).

Almost surely, 2^40187772325 is an apocalyptic number.

It is an amenable number.

40187772325 is a deficient number, since it is larger than the sum of its proper divisors (9853578395).

40187772325 is a wasteful number, since it uses less digits than its factorization.

40187772325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726236 (or 6726231 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 40187772325 in words is "forty billion, one hundred eighty-seven million, seven hundred seventy-two thousand, three hundred twenty-five".