40244022 has 96 divisors (see below), whose sum is σ = 109025280. Its totient is φ = 10445760.

The previous prime is 40244021. The next prime is 40244023. The reversal of 40244022 is 22044204.

It is an interprime number because it is at equal distance from previous prime (40244021) and next prime (40244023).

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

It is a junction number, because it is equal to n+sod(n) for n = 40243986 and 40244004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129247 + ... + 129557.

It is an arithmetic number, because the mean of its divisors is an integer number (1135680).

Almost surely, 2^40244022 is an apocalyptic number.

40244022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40244022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54512640).

40244022 is an abundant number, since it is smaller than the sum of its proper divisors (68781258).

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

40244022 is a wasteful number, since it uses less digits than its factorization.

40244022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 40244022 is about 6343.8176203293. The cubic root of 40244022 is about 342.6892328113.

Adding to 40244022 its reverse (22044204), we get a palindrome (62288226).

The spelling of 40244022 in words is "forty million, two hundred forty-four thousand, twenty-two".