5265439309440 has 128 divisors (see below), whose sum is σ = 18648430948800. Its totient is φ = 1404117144576.

The previous prime is 5265439309303. The next prime is 5265439309469. The reversal of 5265439309440 is 449039345625.

5265439309440 is a `hidden beast` number, since 5 + 2 + 6 + 543 + 9 + 3 + 0 + 94 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×5265439309440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152339182 + ... + 152373741.

Almost surely, 2^{5265439309440} is an apocalyptic number.

It is an amenable number.

5265439309440 is an abundant number, since it is smaller than the sum of its proper divisors (13382991639360).

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

5265439309440 is a wasteful number, since it uses less digits than its factorization.

5265439309440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304712951 (or 304712933 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 5265439309440 in words is "five trillion, two hundred sixty-five billion, four hundred thirty-nine million, three hundred nine thousand, four hundred forty".