5225278464 has 704 divisors, whose sum is σ = 19651200000. Its totient is φ = 1365590016.

The previous prime is 5225278459. The next prime is 5225278469. The reversal of 5225278464 is 4648725225.

5225278464 is a `hidden beast` number, since 522 + 52 + 78 + 4 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5225278459) and next prime (5225278469).

Its product of digits (1075200) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5225278469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180182002 + ... + 180182030.

Almost surely, 2^5225278464 is an apocalyptic number.

5225278464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5225278464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9825600000).

5225278464 is an abundant number, since it is smaller than the sum of its proper divisors (14425921536).

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

5225278464 is a wasteful number, since it uses less digits than its factorization.

5225278464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 60 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 5225278464 is about 72286.0876241065. The cubic root of 5225278464 is about 1735.2810064549.

The spelling of 5225278464 in words is "five billion, two hundred twenty-five million, two hundred seventy-eight thousand, four hundred sixty-four".