40472112 has 80 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 12806400.

The previous prime is 40472101. The next prime is 40472119. The reversal of 40472112 is 21127404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472119) 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 15 ways as a sum of consecutive naturals, for example, 87562 + ... + 88022.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 2^40472112 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 40472112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54996480).

40472112 is an abundant number, since it is smaller than the sum of its proper divisors (69520848).

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

40472112 is a wasteful number, since it uses less digits than its factorization.

40472112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40472112 is about 6361.7695651446. The cubic root of 40472112 is about 343.3354304917.

Adding to 40472112 its reverse (21127404), we get a palindrome (61599516).

The spelling of 40472112 in words is "forty million, four hundred seventy-two thousand, one hundred twelve".