30100200040 has 64 divisors (see below), whose sum is σ = 69632116560. Its totient is φ = 11701831680.

The previous prime is 30100200019. The next prime is 30100200041. The reversal of 30100200040 is 4000200103.

It can be written as a sum of positive squares in 8 ways, for example, as 27258670404 + 2841529636 = 165102^2 + 53306^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30100200041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399770 + ... + 1421110.

Almost surely, 2^30100200040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30100200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34816058280).

30100200040 is an abundant number, since it is smaller than the sum of its proper divisors (39531916520).

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

30100200040 is a wasteful number, since it uses less digits than its factorization.

30100200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22342 (or 22338 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 30100200040 its reverse (4000200103), we get a palindrome (34100400143).

The spelling of 30100200040 in words is "thirty billion, one hundred million, two hundred thousand, forty".