5252749740 has 288 divisors, whose sum is σ = 19020718080. Its totient is φ = 1148083200.

The previous prime is 5252749693. The next prime is 5252749741. The reversal of 5252749740 is 479472525.

5252749740 is a `hidden beast` number, since 52 + 527 + 4 + 9 + 74 + 0 = 666.

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 (5252749741) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3475585 + ... + 3477095.

It is an arithmetic number, because the mean of its divisors is an integer number (66044160).

Almost surely, 2^5252749740 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 5252749740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9510359040).

5252749740 is an abundant number, since it is smaller than the sum of its proper divisors (13767968340).

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

5252749740 is a wasteful number, since it uses less digits than its factorization.

5252749740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 5252749740 is about 72475.8562557215. The cubic root of 5252749740 is about 1738.3167034357.

The spelling of 5252749740 in words is "five billion, two hundred fifty-two million, seven hundred forty-nine thousand, seven hundred forty".