40232321400 has 192 divisors, whose sum is σ = 132641510400. Its totient is φ = 10058895360.

The previous prime is 40232321357. The next prime is 40232321411. The reversal of 40232321400 is 412323204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1087609 + ... + 1123991.

It is an arithmetic number, because the mean of its divisors is an integer number (690841200).

Almost surely, 2^40232321400 is an apocalyptic number.

40232321400 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 40232321400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66320755200).

40232321400 is an abundant number, since it is smaller than the sum of its proper divisors (92409189000).

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

40232321400 is a wasteful number, since it uses less digits than its factorization.

40232321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36518 (or 36509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40232321400 its reverse (412323204), we get a palindrome (40644644604).

The spelling of 40232321400 in words is "forty billion, two hundred thirty-two million, three hundred twenty-one thousand, four hundred".