40283712 has 168 divisors, whose sum is σ = 134615936. Its totient is φ = 11280384.

The previous prime is 40283701. The next prime is 40283717. The reversal of 40283712 is 21738204.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (40283717) 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 23 ways as a sum of consecutive naturals, for example, 391053 + ... + 391155.

Almost surely, 2^40283712 is an apocalyptic number.

40283712 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 40283712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67307968).

40283712 is an abundant number, since it is smaller than the sum of its proper divisors (94332224).

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

40283712 is a wasteful number, since it uses less digits than its factorization.

40283712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40283712 is about 6346.9450919320. The cubic root of 40283712 is about 342.8018529891.

The spelling of 40283712 in words is "forty million, two hundred eighty-three thousand, seven hundred twelve".