40421443200 has 192 divisors, whose sum is σ = 134964278400. Its totient is φ = 10631208960.

The previous prime is 40421443189. The next prime is 40421443217. The reversal of 40421443200 is 234412404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 671961 + ... + 729639.

It is an arithmetic number, because the mean of its divisors is an integer number (702938950).

Almost surely, 2^40421443200 is an apocalyptic number.

40421443200 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 40421443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67482139200).

40421443200 is an abundant number, since it is smaller than the sum of its proper divisors (94542835200).

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

40421443200 is a wasteful number, since it uses less digits than its factorization.

40421443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57779 (or 57762 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40421443200 its reverse (234412404), we get a palindrome (40655855604).

The spelling of 40421443200 in words is "forty billion, four hundred twenty-one million, four hundred forty-three thousand, two hundred".