40243416 has 64 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 12743808.

The previous prime is 40243393. The next prime is 40243417. The reversal of 40243416 is 61434204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46201 + ... + 47063.

It is an arithmetic number, because the mean of its divisors is an integer number (1652400).

Almost surely, 2^40243416 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 40243416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52876800).

40243416 is an abundant number, since it is smaller than the sum of its proper divisors (65510184).

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

40243416 is a wasteful number, since it uses less digits than its factorization.

40243416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40243416 is about 6343.7698571118. The cubic root of 40243416 is about 342.6875127155.

The spelling of 40243416 in words is "forty million, two hundred forty-three thousand, four hundred sixteen".