40749299 has 2 divisors, whose sum is σ = 40749300. Its totient is φ = 40749298.

The previous prime is 40749287. The next prime is 40749341. The reversal of 40749299 is 99294704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40749299 - 2²⁰ = 39700723 is a prime.

It is a super-3 number, since 3×40749299³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40749229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20374649 + 20374650.

It is an arithmetic number, because the mean of its divisors is an integer number (20374650).

Almost surely, 2^40749299 is an apocalyptic number.

40749299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40749299 is an equidigital number, since it uses as much as digits as its factorization.

40749299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 40749299 is about 6383.5177606082. The cubic root of 40749299 is about 344.1174642797.

The spelling of 40749299 in words is "forty million, seven hundred forty-nine thousand, two hundred ninety-nine".