5245546840 has 64 divisors (see below), whose sum is σ = 11898718560. Its totient is φ = 2081172480.

The previous prime is 5245546829. The next prime is 5245546841. The reversal of 5245546840 is 486455425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245546841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781172 + ... + 4782268.

Almost surely, 2^5245546840 is an apocalyptic number.

It is an amenable number.

5245546840 is an abundant number, since it is smaller than the sum of its proper divisors (6653171720).

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

5245546840 is a wasteful number, since it uses less digits than its factorization.

5245546840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 43.

The square root of 5245546840 is about 72426.1474883208. The cubic root of 5245546840 is about 1737.5217769988.

The spelling of 5245546840 in words is "five billion, two hundred forty-five million, five hundred forty-six thousand, eight hundred forty".