4961015808 has 288 divisors, whose sum is σ = 15863178240. Its totient is φ = 1349222400.

The previous prime is 4961015791. The next prime is 4961015879. The reversal of 4961015808 is 8085101694.

It is a super-2 number, since 2×4961015808² = 49223355694451785728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4961015808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81328098 + ... + 81328158.

It is an arithmetic number, because the mean of its divisors is an integer number (55080480).

Almost surely, 2^4961015808 is an apocalyptic number.

4961015808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4961015808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7931589120).

4961015808 is an abundant number, since it is smaller than the sum of its proper divisors (10902162432).

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

4961015808 is an equidigital number, since it uses as much as digits as its factorization.

4961015808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 4961015808 is about 70434.4788296187. The cubic root of 4961015808 is about 1705.5202109420.

The spelling of 4961015808 in words is "four billion, nine hundred sixty-one million, fifteen thousand, eight hundred eight".