4020044023100 has 72 divisors (see below), whose sum is σ = 10035734005248. Its totient is φ = 1369172952000.

The previous prime is 4020044023069. The next prime is 4020044023103. The reversal of 4020044023100 is 13204400204.

It is a super-2 number, since 2×4020044023100² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020044023103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18910592 + ... + 19121991.

Almost surely, 2^{4020044023100} is an apocalyptic number.

It is an amenable number.

4020044023100 is an abundant number, since it is smaller than the sum of its proper divisors (6015689982148).

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

4020044023100 is a wasteful number, since it uses less digits than its factorization.

4020044023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38032755 (or 38032748 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4020044023100 its reverse (13204400204), we get a palindrome (4033248423304).

The spelling of 4020044023100 in words is "four trillion, twenty billion, forty-four million, twenty-three thousand, one hundred".