40082830 has 32 divisors (see below), whose sum is σ = 75206880. Its totient is φ = 15367680.

The previous prime is 40082773. The next prime is 40082831. The reversal of 40082830 is 3828004.

It is a junction number, because it is equal to n+sod(n) for n = 40082795 and 40082804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40082831) 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, 23362 + ... + 25018.

It is an arithmetic number, because the mean of its divisors is an integer number (2350215).

Almost surely, 2^40082830 is an apocalyptic number.

40082830 is a deficient number, since it is larger than the sum of its proper divisors (35124050).

40082830 is a wasteful number, since it uses less digits than its factorization.

40082830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 40082830 is about 6331.1002203409. The cubic root of 40082830 is about 342.2310887601.

The spelling of 40082830 in words is "forty million, eighty-two thousand, eight hundred thirty".