540021502430152 has 32 divisors (see below), whose sum is σ = 1025608643350200. Its totient is φ = 266540175857664.

The previous prime is 540021502430141. The next prime is 540021502430161. The reversal of 540021502430152 is 251034205120045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 453973504675716 + 86047997754436 = 21306654^2 + 9276206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894176283 + ... + 894780010.

Almost surely, 2^{540021502430152} is an apocalyptic number.

It is an amenable number.

540021502430152 is a deficient number, since it is larger than the sum of its proper divisors (485587140920048).

540021502430152 is a wasteful number, since it uses less digits than its factorization.

540021502430152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788956785 (or 1788956781 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 540021502430152 its reverse (251034205120045), we get a palindrome (791055707550197).

The spelling of 540021502430152 in words is "five hundred forty trillion, twenty-one billion, five hundred two million, four hundred thirty thousand, one hundred fifty-two".