4587921087940 has 24 divisors (see below), whose sum is σ = 9869625366552. Its totient is φ = 1790408229120.

The previous prime is 4587921087797. The next prime is 4587921087943. The reversal of 4587921087940 is 497801297854.

It can be written as a sum of positive squares in 4 ways, for example, as 146946488896 + 4440974599044 = 383336^2 + 2107362^2 .

It is not an unprimeable number, because it can be changed into a prime (4587921087943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2797512039 + ... + 2797513678.

It is an arithmetic number, because the mean of its divisors is an integer number (411234390273).

Almost surely, 2^{4587921087940} is an apocalyptic number.

It is an amenable number.

4587921087940 is an abundant number, since it is smaller than the sum of its proper divisors (5281704278612).

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

4587921087940 is a wasteful number, since it uses less digits than its factorization.

4587921087940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595025767 (or 5595025765 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 4587921087940 in words is "four trillion, five hundred eighty-seven billion, nine hundred twenty-one million, eighty-seven thousand, nine hundred forty".