40823530 has 32 divisors (see below), whose sum is σ = 80803008. Its totient is φ = 14726400.

The previous prime is 40823521. The next prime is 40823537. The reversal of 40823530 is 3532804.

It is a junction number, because it is equal to n+sod(n) for n = 40823495 and 40823504.

It is not an unprimeable number, because it can be changed into a prime (40823537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12994 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (2525094).

Almost surely, 2^40823530 is an apocalyptic number.

40823530 is a deficient number, since it is larger than the sum of its proper divisors (39979478).

40823530 is a wasteful number, since it uses less digits than its factorization.

40823530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40823530 is about 6389.3293857806. The cubic root of 40823530 is about 344.3262914982.

The spelling of 40823530 in words is "forty million, eight hundred twenty-three thousand, five hundred thirty".