40338633425 has 12 divisors (see below), whose sum is σ = 50045140656. Its totient is φ = 32254626000.

The previous prime is 40338633389. The next prime is 40338633443. The reversal of 40338633425 is 52433683304.

40338633425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40338633425 - 2¹² = 40338629329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356351 + ... + 455700.

It is an arithmetic number, because the mean of its divisors is an integer number (4170428388).

Almost surely, 2^40338633425 is an apocalyptic number.

It is an amenable number.

40338633425 is a deficient number, since it is larger than the sum of its proper divisors (9706507231).

40338633425 is a wasteful number, since it uses less digits than its factorization.

40338633425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814048 (or 814043 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 40338633425 in words is "forty billion, three hundred thirty-eight million, six hundred thirty-three thousand, four hundred twenty-five".