5249223395640 has 256 divisors, whose sum is σ = 21049517952000. Its totient is φ = 1136673907200.

The previous prime is 5249223395639. The next prime is 5249223395653. The reversal of 5249223395640 is 465933229425.

It is a happy number.

5249223395640 is a `hidden beast` number, since 5 + 2 + 49 + 2 + 2 + 3 + 39 + 564 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 18128511 + ... + 18415790.

It is an arithmetic number, because the mean of its divisors is an integer number (82224679500).

Almost surely, 2^{5249223395640} is an apocalyptic number.

It is an amenable number.

5249223395640 is an abundant number, since it is smaller than the sum of its proper divisors (15800294556360).

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

5249223395640 is a wasteful number, since it uses less digits than its factorization.

5249223395640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36544347 (or 36544337 counting only the distinct ones).

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

The spelling of 5249223395640 in words is "five trillion, two hundred forty-nine billion, two hundred twenty-three million, three hundred ninety-five thousand, six hundred forty".