40252662788 has 12 divisors (see below), whose sum is σ = 75860787660. Its totient is φ = 18578152032.

The previous prime is 40252662763. The next prime is 40252662811. The reversal of 40252662788 is 88726625204.

It is a happy number.

40252662788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11644999744 + 28607663044 = 107912^2 + 169138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387044783 + ... + 387044886.

It is an arithmetic number, because the mean of its divisors is an integer number (6321732305).

Almost surely, 2^40252662788 is an apocalyptic number.

It is an amenable number.

40252662788 is a deficient number, since it is larger than the sum of its proper divisors (35608124872).

40252662788 is a wasteful number, since it uses less digits than its factorization.

40252662788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774089686 (or 774089684 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 40252662788 in words is "forty billion, two hundred fifty-two million, six hundred sixty-two thousand, seven hundred eighty-eight".