4547240621730 has 48 divisors (see below), whose sum is σ = 11972481655680. Its totient is φ = 1197248161824.

The previous prime is 4547240621669. The next prime is 4547240621731. The reversal of 4547240621730 is 371260427454.

4547240621730 is a `hidden beast` number, since 4 + 5 + 4 + 72 + 406 + 2 + 173 + 0 = 666.

It is a super-2 number, since 2×4547240621730² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (4547240621731) 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, 319770712 + ... + 319784931.

It is an arithmetic number, because the mean of its divisors is an integer number (249426701160).

Almost surely, 2^{4547240621730} is an apocalyptic number.

4547240621730 is an abundant number, since it is smaller than the sum of its proper divisors (7425241033950).

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

4547240621730 is a wasteful number, since it uses less digits than its factorization.

4547240621730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639555735 (or 639555732 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 4547240621730 in words is "four trillion, five hundred forty-seven billion, two hundred forty million, six hundred twenty-one thousand, seven hundred thirty".