40302112 has 48 divisors (see below), whose sum is σ = 82940760. Its totient is φ = 19253248.

The previous prime is 40302109. The next prime is 40302113. The reversal of 40302112 is 21120304.

It can be written as a sum of positive squares in 4 ways, for example, as 27081616 + 13220496 = 5204^2 + 3636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40302092 and 40302101.

It is not an unprimeable number, because it can be changed into a prime (40302113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126978 + ... + 127294.

Almost surely, 2^40302112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41470380).

40302112 is an abundant number, since it is smaller than the sum of its proper divisors (42638648).

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

40302112 is a wasteful number, since it uses less digits than its factorization.

40302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40302112 is about 6348.3944426918. The cubic root of 40302112 is about 342.8540378026.

Adding to 40302112 its reverse (21120304), we get a palindrome (61422416).

The spelling of 40302112 in words is "forty million, three hundred two thousand, one hundred twelve".