4542578756 has 12 divisors (see below), whose sum is σ = 8019863292. Its totient is φ = 2251189248.

The previous prime is 4542578743. The next prime is 4542578801. The reversal of 4542578756 is 6578752454.

It can be written as a sum of positive squares in 2 ways, for example, as 322777156 + 4219801600 = 17966^2 + 64960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4542578698 and 4542578707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024525 + ... + 5025428.

It is an arithmetic number, because the mean of its divisors is an integer number (668321941).

Almost surely, 2^4542578756 is an apocalyptic number.

It is an amenable number.

4542578756 is a deficient number, since it is larger than the sum of its proper divisors (3477284536).

4542578756 is a wasteful number, since it uses less digits than its factorization.

4542578756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050070 (or 10050068 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 53.

The square root of 4542578756 is about 67398.6554465295. The cubic root of 4542578756 is about 1656.1543965397.

The spelling of 4542578756 in words is "four billion, five hundred forty-two million, five hundred seventy-eight thousand, seven hundred fifty-six".