40949925 has 24 divisors (see below), whose sum is σ = 69150336. Its totient is φ = 21373440.

The previous prime is 40949917. The next prime is 40949927. The reversal of 40949925 is 52994904.

It is not a de Polignac number, because 40949925 - 2³ = 40949917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40949927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2284 + ... + 9333.

It is an arithmetic number, because the mean of its divisors is an integer number (2881264).

Almost surely, 2^40949925 is an apocalyptic number.

It is an amenable number.

40949925 is a deficient number, since it is larger than the sum of its proper divisors (28200411).

40949925 is a wasteful number, since it uses less digits than its factorization.

40949925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11677 (or 11672 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 40949925 is about 6399.2128422174. The cubic root of 40949925 is about 344.6812851585.

The spelling of 40949925 in words is "forty million, nine hundred forty-nine thousand, nine hundred twenty-five".