40030100 has 72 divisors (see below), whose sum is σ = 95785536. Its totient is φ = 14400000.

The previous prime is 40030069. The next prime is 40030103. The reversal of 40030100 is 103004.

40030100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165980 + ... + 166220.

Almost surely, 2^40030100 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 40030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47892768).

40030100 is an abundant number, since it is smaller than the sum of its proper divisors (55755436).

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

40030100 is a wasteful number, since it uses less digits than its factorization.

40030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 40030100 is about 6326.9344867795. The cubic root of 40030100 is about 342.0809516202.

Adding to 40030100 its reverse (103004), we get a palindrome (40133104).

The spelling of 40030100 in words is "forty million, thirty thousand, one hundred".