40124448 has 144 divisors (see below), whose sum is σ = 140527296. Its totient is φ = 10575360.

The previous prime is 40124419. The next prime is 40124449. The reversal of 40124448 is 84442104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (40124449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25443 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (975884).

Almost surely, 2^40124448 is an apocalyptic number.

40124448 is a gapful number since it is divisible by the number (48) 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 40124448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70263648).

40124448 is an abundant number, since it is smaller than the sum of its proper divisors (100402848).

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

40124448 is a wasteful number, since it uses less digits than its factorization.

40124448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 40124448 is about 6334.3861581056. The cubic root of 40124448 is about 342.3494939625.

The spelling of 40124448 in words is "forty million, one hundred twenty-four thousand, four hundred forty-eight".