40725189 has 12 divisors (see below), whose sum is σ = 61921600. Its totient is φ = 25721064.

The previous prime is 40725187. The next prime is 40725221. The reversal of 40725189 is 98152704.

It is not a de Polignac number, because 40725189 - 2¹ = 40725187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118909 + ... + 119250.

Almost surely, 2^40725189 is an apocalyptic number.

It is an amenable number.

40725189 is a deficient number, since it is larger than the sum of its proper divisors (21196411).

40725189 is a wasteful number, since it uses less digits than its factorization.

40725189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238184 (or 238181 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 40725189 is about 6381.6290240032. The cubic root of 40725189 is about 344.0495832846.

It can be divided in two parts, 4072 and 5189, that added together give a cube (9261 = 21³).

The spelling of 40725189 in words is "forty million, seven hundred twenty-five thousand, one hundred eighty-nine".