1540543224 has 64 divisors (see below), whose sum is σ = 4205376000. Its totient is φ = 466398720.

The previous prime is 1540543201. The next prime is 1540543253. The reversal of 1540543224 is 4223450451.

It is a junction number, because it is equal to n+sod(n) for n = 1540543191 and 1540543200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391137 + ... + 395055.

It is an arithmetic number, because the mean of its divisors is an integer number (65709000).

Almost surely, 2^1540543224 is an apocalyptic number.

It is an amenable number.

1540543224 is an abundant number, since it is smaller than the sum of its proper divisors (2664832776).

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

1540543224 is a wasteful number, since it uses less digits than its factorization.

1540543224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5424 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1540543224 is about 39249.7544450918. The cubic root of 1540543224 is about 1154.9361168542.

Adding to 1540543224 its reverse (4223450451), we get a palindrome (5763993675).

The spelling of 1540543224 in words is "one billion, five hundred forty million, five hundred forty-three thousand, two hundred twenty-four".