40985925 has 12 divisors (see below), whose sum is σ = 67763520. Its totient is φ = 21859120.

The previous prime is 40985909. The next prime is 40985933. The reversal of 40985925 is 52958904.

It is not a de Polignac number, because 40985925 - 2⁴ = 40985909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273165 + ... + 273314.

It is an arithmetic number, because the mean of its divisors is an integer number (5646960).

Almost surely, 2^40985925 is an apocalyptic number.

It is an amenable number.

40985925 is a deficient number, since it is larger than the sum of its proper divisors (26777595).

40985925 is a wasteful number, since it uses less digits than its factorization.

40985925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546492 (or 546487 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 40985925 is about 6402.0250702414. The cubic root of 40985925 is about 344.7822612639.

The spelling of 40985925 in words is "forty million, nine hundred eighty-five thousand, nine hundred twenty-five".