4000030820 has 24 divisors (see below), whose sum is σ = 8403865344. Its totient is φ = 1599288416.

The previous prime is 4000030819. The next prime is 4000030823. The reversal of 4000030820 is 280300004.

4000030820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4000030823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 89451.

It is an arithmetic number, because the mean of its divisors is an integer number (350161056).

Almost surely, 2^4000030820 is an apocalyptic number.

It is an amenable number.

4000030820 is an abundant number, since it is smaller than the sum of its proper divisors (4403834524).

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

4000030820 is a wasteful number, since it uses less digits than its factorization.

4000030820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90499 (or 90497 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4000030820 is about 63245.7968563920. The cubic root of 4000030820 is about 1587.4051289328.

Adding to 4000030820 its reverse (280300004), we get a palindrome (4280330824).

The spelling of 4000030820 in words is "four billion, thirty thousand, eight hundred twenty".