40203810112 has 56 divisors (see below), whose sum is σ = 83622099456. Its totient is φ = 19141529088.

The previous prime is 40203810107. The next prime is 40203810113. The reversal of 40203810112 is 21101830204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203810113) 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, 267018 + ... + 389494.

It is an arithmetic number, because the mean of its divisors is an integer number (1493251776).

Almost surely, 2^40203810112 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 40203810112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41811049728).

40203810112 is an abundant number, since it is smaller than the sum of its proper divisors (43418289344).

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

40203810112 is a wasteful number, since it uses less digits than its factorization.

40203810112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122735 (or 122725 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 40203810112 in words is "forty billion, two hundred three million, eight hundred ten thousand, one hundred twelve".