40269725 has 6 divisors (see below), whose sum is σ = 49934490. Its totient is φ = 32215760.

The previous prime is 40269707. The next prime is 40269743. The reversal of 40269725 is 52796204.

It is an interprime number because it is at equal distance from previous prime (40269707) and next prime (40269743).

It can be written as a sum of positive squares in 3 ways, for example, as 4401604 + 35868121 = 2098^2 + 5989^2 .

It is not a de Polignac number, because 40269725 - 2¹⁶ = 40204189 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805370 + ... + 805419.

It is an arithmetic number, because the mean of its divisors is an integer number (8322415).

Almost surely, 2^40269725 is an apocalyptic number.

It is an amenable number.

40269725 is a deficient number, since it is larger than the sum of its proper divisors (9664765).

40269725 is a wasteful number, since it uses less digits than its factorization.

40269725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610799 (or 1610794 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 40269725 is about 6345.8431275915. The cubic root of 40269725 is about 342.7621733905.

The spelling of 40269725 in words is "forty million, two hundred sixty-nine thousand, seven hundred twenty-five".