5401244044 has 24 divisors (see below), whose sum is σ = 10840675328. Its totient is φ = 2306635920.

The previous prime is 5401244033. The next prime is 5401244047. The reversal of 5401244044 is 4404421045.

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 (5401244047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332892 + ... + 348739.

Almost surely, 2^5401244044 is an apocalyptic number.

It is an amenable number.

5401244044 is an abundant number, since it is smaller than the sum of its proper divisors (5439431284).

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

5401244044 is a wasteful number, since it uses less digits than its factorization.

5401244044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681925 (or 681923 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 5401244044 is about 73493.1564433043. The cubic root of 5401244044 is about 1754.5453587580.

Adding to 5401244044 its reverse (4404421045), we get a palindrome (9805665089).

The spelling of 5401244044 in words is "five billion, four hundred one million, two hundred forty-four thousand, forty-four".