40335869 has 12 divisors (see below), whose sum is σ = 47070144. Its totient is φ = 34464024.

The previous prime is 40335863. The next prime is 40335871. The reversal of 40335869 is 96853304.

It is not a de Polignac number, because 40335869 - 2⁴ = 40335853 is a prime.

It is a super-2 number, since 2×40335869² = 3253964655970322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40335863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16862 + ... + 19104.

It is an arithmetic number, because the mean of its divisors is an integer number (3922512).

Almost surely, 2^40335869 is an apocalyptic number.

40335869 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40335869 is a deficient number, since it is larger than the sum of its proper divisors (6734275).

40335869 is a wasteful number, since it uses less digits than its factorization.

40335869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 40335869 is about 6351.0525899255. The cubic root of 40335869 is about 342.9497357971.

The spelling of 40335869 in words is "forty million, three hundred thirty-five thousand, eight hundred sixty-nine".