40046651 has 8 divisors (see below), whose sum is σ = 41530320. Its totient is φ = 38569888.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046651 is 15664004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40046651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40046651.

It is not an unprimeable number, because it can be changed into a prime (40046681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12065 + ... + 15021.

It is an arithmetic number, because the mean of its divisors is an integer number (5191290).

Almost surely, 2^40046651 is an apocalyptic number.

40046651 is a deficient number, since it is larger than the sum of its proper divisors (1483669).

40046651 is a wasteful number, since it uses less digits than its factorization.

40046651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40046651 is about 6328.2423310110. The cubic root of 40046651 is about 342.1280911618.

The spelling of 40046651 in words is "forty million, forty-six thousand, six hundred fifty-one".