40038125 has 30 divisors (see below), whose sum is σ = 52881510. Its totient is φ = 30268000.

The previous prime is 40038109. The next prime is 40038133. The reversal of 40038125 is 52183004.

It can be written as a sum of positive squares in 5 ways, for example, as 15217801 + 24820324 = 3901^2 + 4982^2 .

It is not a de Polignac number, because 40038125 - 2⁴ = 40038109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40038125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 851852 + ... + 851898.

It is an arithmetic number, because the mean of its divisors is an integer number (1762717).

Almost surely, 2^40038125 is an apocalyptic number.

It is an amenable number.

40038125 is a deficient number, since it is larger than the sum of its proper divisors (12843385).

40038125 is an frugal number, since it uses more digits than its factorization.

40038125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40038125 is about 6327.5686483830. The cubic root of 40038125 is about 342.1038095547.

The spelling of 40038125 in words is "forty million, thirty-eight thousand, one hundred twenty-five".