40985069 has 8 divisors (see below), whose sum is σ = 42402048. Its totient is φ = 39574080.

The previous prime is 40985051. The next prime is 40985099. The reversal of 40985069 is 96058904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40985069 - 2⁸ = 40984813 is a prime.

It is a super-2 number, since 2×40985069² = 3359551761869522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40985099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15749 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (5300256).

Almost surely, 2^40985069 is an apocalyptic number.

It is an amenable number.

40985069 is a deficient number, since it is larger than the sum of its proper divisors (1416979).

40985069 is a wasteful number, since it uses less digits than its factorization.

40985069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 40985069 is about 6401.9582160461. The cubic root of 40985069 is about 344.7798609629.

The spelling of 40985069 in words is "forty million, nine hundred eighty-five thousand, sixty-nine".