40378874425 has 6 divisors (see below), whose sum is σ = 50069804318. Its totient is φ = 32303099520.

The previous prime is 40378874407. The next prime is 40378874479. The reversal of 40378874425 is 52447887304.

40378874425 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 3 ways, for example, as 374074281 + 40004800144 = 19341^2 + 200012^2 .

It is not a de Polignac number, because 40378874425 - 2³¹ = 38231390777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 807577464 + ... + 807577513.

Almost surely, 2^40378874425 is an apocalyptic number.

It is an amenable number.

40378874425 is a deficient number, since it is larger than the sum of its proper divisors (9690929893).

40378874425 is a wasteful number, since it uses less digits than its factorization.

40378874425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615154987 (or 1615154982 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 40378874425 in words is "forty billion, three hundred seventy-eight million, eight hundred seventy-four thousand, four hundred twenty-five".