650340054540 has 72 divisors (see below), whose sum is σ = 2152034368848. Its totient is φ = 157658194560.

The previous prime is 650340054527. The next prime is 650340054557. The reversal of 650340054540 is 45450043056.

650340054540 is a `hidden beast` number, since 65 + 0 + 3 + 4 + 0 + 0 + 54 + 540 = 666.

650340054540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650340054540² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 650340054495 and 650340054504.

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, 164225307 + ... + 164229266.

It is an arithmetic number, because the mean of its divisors is an integer number (29889366234).

Almost surely, 2^650340054540 is an apocalyptic number.

650340054540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650340054540 is an abundant number, since it is smaller than the sum of its proper divisors (1501694314308).

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

650340054540 is a wasteful number, since it uses less digits than its factorization.

650340054540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328454599 (or 328454594 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 650340054540 its reverse (45450043056), we get a palindrome (695790097596).

The spelling of 650340054540 in words is "six hundred fifty billion, three hundred forty million, fifty-four thousand, five hundred forty".