40064112 has 80 divisors (see below), whose sum is σ = 125468160. Its totient is φ = 12139200.

The previous prime is 40064099. The next prime is 40064113. The reversal of 40064112 is 21146004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40064113) 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, 537 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (1568352).

Almost surely, 2^40064112 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 40064112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62734080).

40064112 is an abundant number, since it is smaller than the sum of its proper divisors (85404048).

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

40064112 is a wasteful number, since it uses less digits than its factorization.

40064112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40064112 is about 6329.6217896490. The cubic root of 40064112 is about 342.1778084326.

It can be divided in two parts, 4006 and 4112, that added together give a palindrome (8118).

The spelling of 40064112 in words is "forty million, sixty-four thousand, one hundred twelve".