40238125 has 10 divisors (see below), whose sum is σ = 50282342. Its totient is φ = 32190000.

The previous prime is 40238119. The next prime is 40238131. The reversal of 40238125 is 52183204.

It is an interprime number because it is at equal distance from previous prime (40238119) and next prime (40238131).

It can be written as a sum of positive squares in 5 ways, for example, as 10883401 + 29354724 = 3299^2 + 5418^2 .

It is not a de Polignac number, because 40238125 - 2¹³ = 40229933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40238125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31566 + ... + 32815.

Almost surely, 2^40238125 is an apocalyptic number.

It is an amenable number.

40238125 is a deficient number, since it is larger than the sum of its proper divisors (10044217).

40238125 is an frugal number, since it uses more digits than its factorization.

40238125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64401 (or 64386 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40238125 is about 6343.3528200787. The cubic root of 40238125 is about 342.6724937859.

The spelling of 40238125 in words is "forty million, two hundred thirty-eight thousand, one hundred twenty-five".