4778244152 has 32 divisors (see below), whose sum is σ = 9782365680. Its totient is φ = 2169999360.

The previous prime is 4778244139. The next prime is 4778244157. The reversal of 4778244152 is 2514428774.

It is a super-2 number, since 2×4778244152² = 45663234352244398208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778244157) 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, 77918 + ... + 125010.

Almost surely, 2^4778244152 is an apocalyptic number.

It is an amenable number.

4778244152 is an abundant number, since it is smaller than the sum of its proper divisors (5004121528).

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

4778244152 is a wasteful number, since it uses less digits than its factorization.

4778244152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48263 (or 48259 counting only the distinct ones).

The product of its digits is 501760, while the sum is 44.

The square root of 4778244152 is about 69124.8446797532. The cubic root of 4778244152 is about 1684.3129158998.

The spelling of 4778244152 in words is "four billion, seven hundred seventy-eight million, two hundred forty-four thousand, one hundred fifty-two".