40249626 has 8 divisors (see below), whose sum is σ = 80499264. Its totient is φ = 13416540.

The previous prime is 40249613. The next prime is 40249633. The reversal of 40249626 is 62694204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

40249626 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3354130 + ... + 3354141.

It is an arithmetic number, because the mean of its divisors is an integer number (10062408).

Almost surely, 2^40249626 is an apocalyptic number.

40249626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40249626 is a wasteful number, since it uses less digits than its factorization.

40249626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708276.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40249626 is about 6344.2592948271. The cubic root of 40249626 is about 342.7051386215.

The spelling of 40249626 in words is "forty million, two hundred forty-nine thousand, six hundred twenty-six".