40024206 has 40 divisors (see below), whose sum is σ = 90561240. Its totient is φ = 13210992.

The previous prime is 40024183. The next prime is 40024247. The reversal of 40024206 is 60242004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16180 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (2264031).

Almost surely, 2^40024206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40024206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45280620).

40024206 is an abundant number, since it is smaller than the sum of its proper divisors (50537034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40024206 is a wasteful number, since it uses less digits than its factorization.

40024206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40024206 is about 6326.4686832387. The cubic root of 40024206 is about 342.0641615540.

The spelling of 40024206 in words is "forty million, twenty-four thousand, two hundred six".