28341648540 has 72 divisors (see below), whose sum is σ = 86773181040. Its totient is φ = 7487134464.

The previous prime is 28341648527. The next prime is 28341648541. The reversal of 28341648540 is 4584614382.

28341648540 is a `hidden beast` number, since 2 + 8 + 3 + 41 + 64 + 8 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341648541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716505 + ... + 755024.

It is an arithmetic number, because the mean of its divisors is an integer number (1205183070).

Almost surely, 2^28341648540 is an apocalyptic number.

28341648540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28341648540 is an abundant number, since it is smaller than the sum of its proper divisors (58431532500).

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

28341648540 is a wasteful number, since it uses less digits than its factorization.

28341648540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471651 (or 1471646 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28341648540 in words is "twenty-eight billion, three hundred forty-one million, six hundred forty-eight thousand, five hundred forty".