40338725 has 12 divisors (see below), whose sum is σ = 57165984. Its totient is φ = 27660720.

The previous prime is 40338707. The next prime is 40338731. The reversal of 40338725 is 52783304.

It is a happy number.

It is not a de Polignac number, because 40338725 - 2¹⁰ = 40337701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40338691 and 40338700.

It is a congruent 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, 115079 + ... + 115428.

It is an arithmetic number, because the mean of its divisors is an integer number (4763832).

Almost surely, 2^40338725 is an apocalyptic number.

It is an amenable number.

40338725 is a deficient number, since it is larger than the sum of its proper divisors (16827259).

40338725 is a wasteful number, since it uses less digits than its factorization.

40338725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230524 (or 230519 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 40338725 is about 6351.2774305647. The cubic root of 40338725 is about 342.9578298447.

The spelling of 40338725 in words is "forty million, three hundred thirty-eight thousand, seven hundred twenty-five".