40749267 has 16 divisors (see below), whose sum is σ = 58631328. Its totient is φ = 25025280.

The previous prime is 40749259. The next prime is 40749287. The reversal of 40749267 is 76294704.

It is not a de Polignac number, because 40749267 - 2³ = 40749259 is a prime.

It is a super-2 number, since 2×40749267² = 3321005522074578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40749287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28993 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (3664458).

Almost surely, 2^40749267 is an apocalyptic number.

40749267 is a deficient number, since it is larger than the sum of its proper divisors (17882061).

40749267 is a wasteful number, since it uses less digits than its factorization.

40749267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 40749267 is about 6383.5152541527. The cubic root of 40749267 is about 344.1173742023.

The spelling of 40749267 in words is "forty million, seven hundred forty-nine thousand, two hundred sixty-seven".