544040040 has 64 divisors (see below), whose sum is σ = 1666863360. Its totient is φ = 141989120.

The previous prime is 544039963. The next prime is 544040041. The reversal of 544040040 is 40040445.

It is a junction number, because it is equal to n+sod(n) for n = 544039989 and 544040016.

It is not an unprimeable number, because it can be changed into a prime (544040041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42591 + ... + 53870.

It is an arithmetic number, because the mean of its divisors is an integer number (26044740).

Almost surely, 2^544040040 is an apocalyptic number.

It is an amenable number.

544040040 is an abundant number, since it is smaller than the sum of its proper divisors (1122823320).

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

544040040 is a wasteful number, since it uses less digits than its factorization.

544040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96522 (or 96518 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 544040040 is about 23324.6659140061. The cubic root of 544040040 is about 816.3510480135.

Adding to 544040040 its reverse (40040445), we get a palindrome (584080485).

The spelling of 544040040 in words is "five hundred forty-four million, forty thousand, forty".