40343022231400 has 384 divisors, whose sum is σ = 110655567590400. Its totient is φ = 13389594624000.

The previous prime is 40343022231349. The next prime is 40343022231403. The reversal of 40343022231400 is 413222034304.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (40343022231403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17159940225 + ... + 17159942575.

It is an arithmetic number, because the mean of its divisors is an integer number (288165540600).

Almost surely, 2^{40343022231400} is an apocalyptic number.

40343022231400 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 40343022231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55327783795200).

40343022231400 is an abundant number, since it is smaller than the sum of its proper divisors (70312545359000).

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

40343022231400 is a wasteful number, since it uses less digits than its factorization.

40343022231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40343022231400 its reverse (413222034304), we get a palindrome (40756244265704).

The spelling of 40343022231400 in words is "forty trillion, three hundred forty-three billion, twenty-two million, two hundred thirty-one thousand, four hundred".