40423401334000 has 160 divisors (see below), whose sum is σ = 98202799618560. Its totient is φ = 16093458432000.

The previous prime is 40423401333977. The next prime is 40423401334003. The reversal of 40423401334000 is 43310432404.

It is a self number, because there is not a number n which added to its sum of digits gives 40423401334000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423401334003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3898480816 + ... + 3898491184.

It is an arithmetic number, because the mean of its divisors is an integer number (613767497616).

Almost surely, 2^{40423401334000} is an apocalyptic number.

40423401334000 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 40423401334000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49101399809280).

40423401334000 is an abundant number, since it is smaller than the sum of its proper divisors (57779398284560).

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

40423401334000 is a wasteful number, since it uses less digits than its factorization.

40423401334000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19356 (or 19340 counting only the distinct ones).

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

Adding to 40423401334000 its reverse (43310432404), we get a palindrome (40466711766404).

The spelling of 40423401334000 in words is "forty trillion, four hundred twenty-three billion, four hundred one million, three hundred thirty-four thousand".