5286097440 has 144 divisors (see below), whose sum is σ = 19426476888. Its totient is φ = 1301188608.

The previous prime is 5286097423. The next prime is 5286097441. The reversal of 5286097440 is 447906825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2696101776 + 2589995664 = 51924^2 + 50892^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×5286097440² = 55885652290349107200, which contains 22 as substring.

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 (5286097441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122469 + ... + 159908.

Almost surely, 2^5286097440 is an apocalyptic number.

It is an amenable number.

5286097440 is an abundant number, since it is smaller than the sum of its proper divisors (14140379448).

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

5286097440 is a wasteful number, since it uses less digits than its factorization.

5286097440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282411 (or 282400 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5286097440 is about 72705.5530203849. The cubic root of 5286097440 is about 1741.9875820924.

The spelling of 5286097440 in words is "five billion, two hundred eighty-six million, ninety-seven thousand, four hundred forty".