8442361620 has 192 divisors, whose sum is σ = 32746291200. Its totient is φ = 1754248320.

The previous prime is 8442361607. The next prime is 8442361621. The reversal of 8442361620 is 261632448.

8442361620 is a `hidden beast` number, since 8 + 4 + 4 + 23 + 6 + 1 + 620 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442361621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59940 + ... + 143099.

It is an arithmetic number, because the mean of its divisors is an integer number (170553600).

Almost surely, 2^8442361620 is an apocalyptic number.

It is an amenable number.

8442361620 is an abundant number, since it is smaller than the sum of its proper divisors (24303929580).

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

8442361620 is a wasteful number, since it uses less digits than its factorization.

8442361620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203075 (or 203067 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8442361620 is about 91882.3248508656. The cubic root of 8442361620 is about 2036.2041438008.

The spelling of 8442361620 in words is "eight billion, four hundred forty-two million, three hundred sixty-one thousand, six hundred twenty".