40053659 has 2 divisors, whose sum is σ = 40053660. Its totient is φ = 40053658.

The previous prime is 40053623. The next prime is 40053677. The reversal of 40053659 is 95635004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40053659 - 2¹² = 40049563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40053619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026829 + 20026830.

It is an arithmetic number, because the mean of its divisors is an integer number (20026830).

Almost surely, 2^40053659 is an apocalyptic number.

40053659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40053659 is an equidigital number, since it uses as much as digits as its factorization.

40053659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 40053659 is about 6328.7960150411. The cubic root of 40053659 is about 342.1480470030.

The spelling of 40053659 in words is "forty million, fifty-three thousand, six hundred fifty-nine".