8061458820 has 48 divisors (see below), whose sum is σ = 23899857408. Its totient is φ = 2023267840.

The previous prime is 8061458819. The next prime is 8061458851. The reversal of 8061458820 is 288541608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950676 + ... + 3952715.

It is an arithmetic number, because the mean of its divisors is an integer number (497913696).

Almost surely, 2^8061458820 is an apocalyptic number.

It is an amenable number.

8061458820 is an abundant number, since it is smaller than the sum of its proper divisors (15838398588).

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

8061458820 is a wasteful number, since it uses less digits than its factorization.

8061458820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903420 (or 7903418 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 8061458820 is about 89785.6270234830. The cubic root of 8061458820 is about 2005.1085087926.

The spelling of 8061458820 in words is "eight billion, sixty-one million, four hundred fifty-eight thousand, eight hundred twenty".