540451444 has 12 divisors (see below), whose sum is σ = 1018543204. Its totient is φ = 249439104.

The previous prime is 540451433. The next prime is 540451469. The reversal of 540451444 is 444154045.

It can be written as a sum of positive squares in 2 ways, for example, as 194044900 + 346406544 = 13930^2 + 18612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5196597 + ... + 5196700.

Almost surely, 2^540451444 is an apocalyptic number.

It is an amenable number.

540451444 is a deficient number, since it is larger than the sum of its proper divisors (478091760).

540451444 is a wasteful number, since it uses less digits than its factorization.

540451444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393314 (or 10393312 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 540451444 is about 23247.6115762458. The cubic root of 540451444 is about 814.5521490936.

The spelling of 540451444 in words is "five hundred forty million, four hundred fifty-one thousand, four hundred forty-four".