40525651 has 8 divisors (see below), whose sum is σ = 43651520. Its totient is φ = 37499112.

The previous prime is 40525643. The next prime is 40525669. The reversal of 40525651 is 15652504.

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

It is a cyclic number.

It is not a de Polignac number, because 40525651 - 2³ = 40525643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23985 + ... + 25618.

It is an arithmetic number, because the mean of its divisors is an integer number (5456440).

Almost surely, 2^40525651 is an apocalyptic number.

40525651 is a deficient number, since it is larger than the sum of its proper divisors (3125869).

40525651 is a wasteful number, since it uses less digits than its factorization.

40525651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49665.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 40525651 is about 6365.9760445669. The cubic root of 40525651 is about 343.4867588601.

The spelling of 40525651 in words is "forty million, five hundred twenty-five thousand, six hundred fifty-one".