5305078840 has 32 divisors (see below), whose sum is σ = 11939503680. Its totient is φ = 2121484672.

The previous prime is 5305078829. The next prime is 5305078903. The reversal of 5305078840 is 488705035.

It is a super-2 number, since 2×5305078840² = 56287722997231491200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5305078793 and 5305078802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163662 + ... + 193378.

It is an arithmetic number, because the mean of its divisors is an integer number (373109490).

Almost surely, 2^5305078840 is an apocalyptic number.

It is an amenable number.

5305078840 is an abundant number, since it is smaller than the sum of its proper divisors (6634424840).

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

5305078840 is a wasteful number, since it uses less digits than its factorization.

5305078840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191 (or 34187 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 5305078840 is about 72835.9721566205. The cubic root of 5305078840 is about 1744.0701433155.

The spelling of 5305078840 in words is "five billion, three hundred five million, seventy-eight thousand, eight hundred forty".