5245385040 has 400 divisors, whose sum is σ = 20961908352. Its totient is φ = 1190827008.

The previous prime is 5245385023. The next prime is 5245385051. The reversal of 5245385040 is 405835425.

5245385040 is a `hidden beast` number, since 524 + 53 + 85 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5245384986 and 5245385004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8935627 + ... + 8936213.

Almost surely, 2^5245385040 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 5245385040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10480954176).

5245385040 is an abundant number, since it is smaller than the sum of its proper divisors (15716523312).

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

5245385040 is a wasteful number, since it uses less digits than its factorization.

5245385040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 5245385040 is about 72425.0304798003. The cubic root of 5245385040 is about 1737.5039120730.

The spelling of 5245385040 in words is "five billion, two hundred forty-five million, three hundred eighty-five thousand, forty".