4264778544 has 120 divisors (see below), whose sum is σ = 11981376000. Its totient is φ = 1306596096.

The previous prime is 4264778503. The next prime is 4264778563. The reversal of 4264778544 is 4458774624.

It is a happy number.

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, 2132457 + ... + 2134455.

It is an arithmetic number, because the mean of its divisors is an integer number (99844800).

Almost surely, 2^4264778544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4264778544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5990688000).

4264778544 is an abundant number, since it is smaller than the sum of its proper divisors (7716597456).

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

4264778544 is a wasteful number, since it uses less digits than its factorization.

4264778544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2280 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 51.

The square root of 4264778544 is about 65305.2719464516. The cubic root of 4264778544 is about 1621.6812480308.

The spelling of 4264778544 in words is "four billion, two hundred sixty-four million, seven hundred seventy-eight thousand, five hundred forty-four".