543412440 has 96 divisors (see below), whose sum is σ = 1827025200. Its totient is φ = 139910400.

The previous prime is 543412427. The next prime is 543412517. The reversal of 543412440 is 44214345.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15586 + ... + 36465.

Almost surely, 2^543412440 is an apocalyptic number.

It is an amenable number.

543412440 is an abundant number, since it is smaller than the sum of its proper divisors (1283612760).

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

543412440 is a wasteful number, since it uses less digits than its factorization.

543412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52097 (or 52090 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 543412440 is about 23311.2084628833. The cubic root of 543412440 is about 816.0370153336.

Adding to 543412440 its reverse (44214345), we get a palindrome (587626785).

The spelling of 543412440 in words is "five hundred forty-three million, four hundred twelve thousand, four hundred forty".