5266401888 has 96 divisors (see below), whose sum is σ = 15402078720. Its totient is φ = 1561909760.

The previous prime is 5266401887. The next prime is 5266401949. The reversal of 5266401888 is 8881046625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266401887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423 + ... + 102686.

It is an arithmetic number, because the mean of its divisors is an integer number (160438320).

Almost surely, 2^5266401888 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 5266401888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7701039360).

5266401888 is an abundant number, since it is smaller than the sum of its proper divisors (10135676832).

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

5266401888 is a wasteful number, since it uses less digits than its factorization.

5266401888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106180 (or 106172 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 5266401888 is about 72569.9792476200. The cubic root of 5266401888 is about 1739.8213900427.

The spelling of 5266401888 in words is "five billion, two hundred sixty-six million, four hundred one thousand, eight hundred eighty-eight".