40830032 has 10 divisors (see below), whose sum is σ = 79108218. Its totient is φ = 20415008.

The previous prime is 40830017. The next prime is 40830059. The reversal of 40830032 is 23003804.

It can be written as a sum of positive squares in only one way, i.e., 40246336 + 583696 = 6344^2 + 764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40829986 and 40830013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275923 + ... + 1275954.

Almost surely, 2^40830032 is an apocalyptic number.

It is an amenable number.

40830032 is a deficient number, since it is larger than the sum of its proper divisors (38278186).

40830032 is a wasteful number, since it uses less digits than its factorization.

40830032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551885 (or 2551879 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40830032 is about 6389.8381826146. The cubic root of 40830032 is about 344.3445709129.

Adding to 40830032 its reverse (23003804), we get a palindrome (63833836).

The spelling of 40830032 in words is "forty million, eight hundred thirty thousand, thirty-two".