8042621038 has 4 divisors (see below), whose sum is σ = 12063931560. Its totient is φ = 4021310518.

The previous prime is 8042621029. The next prime is 8042621039. The reversal of 8042621038 is 8301262408.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8042620994 and 8042621012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042621039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010655258 + ... + 2010655261.

It is an arithmetic number, because the mean of its divisors is an integer number (3015982890).

Almost surely, 2^8042621038 is an apocalyptic number.

8042621038 is a deficient number, since it is larger than the sum of its proper divisors (4021310522).

8042621038 is a wasteful number, since it uses less digits than its factorization.

8042621038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021310521.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 8042621038 is about 89680.6614493894. The cubic root of 8042621038 is about 2003.5454642942.

The spelling of 8042621038 in words is "eight billion, forty-two million, six hundred twenty-one thousand, thirty-eight".