40229112 has 96 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 10443840.

The previous prime is 40229087. The next prime is 40229129. The reversal of 40229112 is 21192204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19339 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (1316700).

Almost surely, 2^40229112 is an apocalyptic number.

40229112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40229112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63201600).

40229112 is an abundant number, since it is smaller than the sum of its proper divisors (86174088).

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

40229112 is a wasteful number, since it uses less digits than its factorization.

40229112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 40229112 is about 6342.6423515756. The cubic root of 40229112 is about 342.6469066277.

The spelling of 40229112 in words is "forty million, two hundred twenty-nine thousand, one hundred twelve".