540520151520 has 96 divisors (see below), whose sum is σ = 1757562347520. Its totient is φ = 139489067520.

The previous prime is 540520151497. The next prime is 540520151531. The reversal of 540520151520 is 25151025045.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18147760 + ... + 18177519.

It is an arithmetic number, because the mean of its divisors is an integer number (18307941120).

Almost surely, 2^540520151520 is an apocalyptic number.

It is an amenable number.

540520151520 is an abundant number, since it is smaller than the sum of its proper divisors (1217042196000).

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

540520151520 is a wasteful number, since it uses less digits than its factorization.

540520151520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36325328 (or 36325320 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 540520151520 its reverse (25151025045), we get a palindrome (565671176565).

The spelling of 540520151520 in words is "five hundred forty billion, five hundred twenty million, one hundred fifty-one thousand, five hundred twenty".