542520004003520 has 56 divisors (see below), whose sum is σ = 1292248813215264. Its totient is φ = 216945336416256.

The previous prime is 542520004003517. The next prime is 542520004003651. The reversal of 542520004003520 is 25300400025245.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 243675989 + ... + 245892308.

Almost surely, 2^{542520004003520} is an apocalyptic number.

It is an amenable number.

542520004003520 is an abundant number, since it is smaller than the sum of its proper divisors (749728809211744).

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

542520004003520 is a wasteful number, since it uses less digits than its factorization.

542520004003520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489571777 (or 489571767 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 542520004003520 its reverse (25300400025245), we get a palindrome (567820404028765).

The spelling of 542520004003520 in words is "five hundred forty-two trillion, five hundred twenty billion, four million, three thousand, five hundred twenty".