40024499 has 2 divisors, whose sum is σ = 40024500. Its totient is φ = 40024498.

The previous prime is 40024493. The next prime is 40024519. The reversal of 40024499 is 99442004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40024499 is a prime.

It is a super-3 number, since 3×40024499³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40024493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012249 + 20012250.

It is an arithmetic number, because the mean of its divisors is an integer number (20012250).

Almost surely, 2^40024499 is an apocalyptic number.

40024499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024499 is an equidigital number, since it uses as much as digits as its factorization.

40024499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40024499 is about 6326.4918398746. The cubic root of 40024499 is about 342.0649962535.

The spelling of 40024499 in words is "forty million, twenty-four thousand, four hundred ninety-nine".