40534999 has 8 divisors (see below), whose sum is σ = 42874880. Its totient is φ = 38215800.

The previous prime is 40534997. The next prime is 40535051. The reversal of 40534999 is 99943504.

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 40534999 - 2¹ = 40534997 is a prime.

It is a super-2 number, since 2×40534999² = 3286172287860002, 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 (40534997) 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, 1047 + ... + 9064.

It is an arithmetic number, because the mean of its divisors is an integer number (5359360).

Almost surely, 2^40534999 is an apocalyptic number.

40534999 is a deficient number, since it is larger than the sum of its proper divisors (2339881).

40534999 is a wasteful number, since it uses less digits than its factorization.

40534999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 40534999 is about 6366.7102180011. The cubic root of 40534999 is about 343.5131673799.

The spelling of 40534999 in words is "forty million, five hundred thirty-four thousand, nine hundred ninety-nine".