5264001240 has 128 divisors (see below), whose sum is σ = 16133644800. Its totient is φ = 1373588480.

The previous prime is 5264001217. The next prime is 5264001241. The reversal of 5264001240 is 421004625.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5264001240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5264001241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1648045 + ... + 1651235.

It is an arithmetic number, because the mean of its divisors is an integer number (126044100).

Almost surely, 2^5264001240 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 5264001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8066822400).

5264001240 is an abundant number, since it is smaller than the sum of its proper divisors (10869643560).

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

5264001240 is a wasteful number, since it uses less digits than its factorization.

5264001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5264001240 is about 72553.4371342943. The cubic root of 5264001240 is about 1739.5569885514.

Adding to 5264001240 its reverse (421004625), we get a palindrome (5685005865).

The spelling of 5264001240 in words is "five billion, two hundred sixty-four million, one thousand, two hundred forty".