40022679 has 8 divisors (see below), whose sum is σ = 53836272. Its totient is φ = 26445440.

The previous prime is 40022659. The next prime is 40022693. The reversal of 40022679 is 97622004.

It is a happy number.

40022679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40022679 - 2¹³ = 40014487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58692 + ... + 59369.

It is an arithmetic number, because the mean of its divisors is an integer number (6729534).

Almost surely, 2^40022679 is an apocalyptic number.

40022679 is a deficient number, since it is larger than the sum of its proper divisors (13813593).

40022679 is a wasteful number, since it uses less digits than its factorization.

40022679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118177.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40022679 is about 6326.3479986482. The cubic root of 40022679 is about 342.0598113647.

The spelling of 40022679 in words is "forty million, twenty-two thousand, six hundred seventy-nine".