40031423200 has 144 divisors (see below), whose sum is σ = 103611493440. Its totient is φ = 15050833920.

The previous prime is 40031423197. The next prime is 40031423219. The reversal of 40031423200 is 232413004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14128984 + ... + 14131816.

It is an arithmetic number, because the mean of its divisors is an integer number (719524260).

Almost surely, 2^40031423200 is an apocalyptic number.

40031423200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40031423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51805746720).

40031423200 is an abundant number, since it is smaller than the sum of its proper divisors (63580070240).

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

40031423200 is a wasteful number, since it uses less digits than its factorization.

40031423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3896 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40031423200 its reverse (232413004), we get a palindrome (40263836204).

The spelling of 40031423200 in words is "forty billion, thirty-one million, four hundred twenty-three thousand, two hundred".