540449223952 has 60 divisors (see below), whose sum is σ = 1154383745788. Its totient is φ = 244929484800.

The previous prime is 540449223947. The next prime is 540449223953. The reversal of 540449223952 is 259322944045.

It can be written as a sum of positive squares in 2 ways, for example, as 132056652816 + 408392571136 = 363396^2 + 639056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540449223896 and 540449223905.

It is not an unprimeable number, because it can be changed into a prime (540449223953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238252 + ... + 1066612.

Almost surely, 2^540449223952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540449223952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577191872894).

540449223952 is an abundant number, since it is smaller than the sum of its proper divisors (613934521836).

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

540449223952 is a wasteful number, since it uses less digits than its factorization.

540449223952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828728 (or 828711 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 540449223952 in words is "five hundred forty billion, four hundred forty-nine million, two hundred twenty-three thousand, nine hundred fifty-two".