4401402140 has 24 divisors (see below), whose sum is σ = 9369563280. Its totient is φ = 1736443008.

The previous prime is 4401402101. The next prime is 4401402157. The reversal of 4401402140 is 412041044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505870 + ... + 1508789.

It is an arithmetic number, because the mean of its divisors is an integer number (390398470).

Almost surely, 2^4401402140 is an apocalyptic number.

It is an amenable number.

4401402140 is an abundant number, since it is smaller than the sum of its proper divisors (4968161140).

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

4401402140 is a wasteful number, since it uses less digits than its factorization.

4401402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014741 (or 3014739 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4401402140 is about 66343.0639931561. The cubic root of 4401402140 is about 1638.8165837951.

Adding to 4401402140 its reverse (412041044), we get a palindrome (4813443184).

The spelling of 4401402140 in words is "four billion, four hundred one million, four hundred two thousand, one hundred forty".