40442248 has 96 divisors (see below), whose sum is σ = 98249760. Its totient is φ = 15429120.

The previous prime is 40442243. The next prime is 40442273. The reversal of 40442248 is 84224404.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (40442243) 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, 357840 + ... + 357952.

It is an arithmetic number, because the mean of its divisors is an integer number (1023435).

Almost surely, 2^40442248 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 40442248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49124880).

40442248 is an abundant number, since it is smaller than the sum of its proper divisors (57807512).

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

40442248 is a wasteful number, since it uses less digits than its factorization.

40442248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 40442248 is about 6359.4219863129. The cubic root of 40442248 is about 343.2509616910.

The spelling of 40442248 in words is "forty million, four hundred forty-two thousand, two hundred forty-eight".