40300032 has 40 divisors (see below), whose sum is σ = 107365896. Its totient is φ = 13432832.

The previous prime is 40300019. The next prime is 40300037. The reversal of 40300032 is 23000304.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 40299990 and 40300017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11583 + ... + 14654.

Almost surely, 2^40300032 is an apocalyptic number.

It is an amenable number.

40300032 is an abundant number, since it is smaller than the sum of its proper divisors (67065864).

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

40300032 is an equidigital number, since it uses as much as digits as its factorization.

40300032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26258 (or 26242 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40300032 is about 6348.2306196294. The cubic root of 40300032 is about 342.8481394461.

Adding to 40300032 its reverse (23000304), we get a palindrome (63300336).

The spelling of 40300032 in words is "forty million, three hundred thousand, thirty-two".