40294233 has 32 divisors (see below), whose sum is σ = 72241920. Its totient is φ = 21669120.

The previous prime is 40294223. The next prime is 40294237. The reversal of 40294233 is 33249204.

It is a happy number.

It is not a de Polignac number, because 40294233 - 2⁴ = 40294217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40294197 and 40294206.

It is not an unprimeable number, because it can be changed into a prime (40294237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3058 + ... + 9483.

It is an arithmetic number, because the mean of its divisors is an integer number (2257560).

Almost surely, 2^40294233 is an apocalyptic number.

It is an amenable number.

40294233 is a deficient number, since it is larger than the sum of its proper divisors (31947687).

40294233 is a wasteful number, since it uses less digits than its factorization.

40294233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574 (or 12568 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40294233 is about 6347.7738617566. The cubic root of 40294233 is about 342.8316938700.

The spelling of 40294233 in words is "forty million, two hundred ninety-four thousand, two hundred thirty-three".