4400534142 has 56 divisors (see below), whose sum is σ = 10107399456. Its totient is φ = 1435612896.

The previous prime is 4400534093. The next prime is 4400534143. The reversal of 4400534142 is 2414350044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400534143) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36418 + ... + 100634.

It is an arithmetic number, because the mean of its divisors is an integer number (180489276).

Almost surely, 2^4400534142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400534142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5053699728).

4400534142 is an abundant number, since it is smaller than the sum of its proper divisors (5706865314).

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

4400534142 is an equidigital number, since it uses as much as digits as its factorization.

4400534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64284 (or 64269 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4400534142 is about 66336.5219317383. The cubic root of 4400534142 is about 1638.7088466853.

Adding to 4400534142 its reverse (2414350044), we get a palindrome (6814884186).

The spelling of 4400534142 in words is "four billion, four hundred million, five hundred thirty-four thousand, one hundred forty-two".