40233421432000 has 112 divisors (see below), whose sum is σ = 99654845790240. Its totient is φ = 16090658688000.

The previous prime is 40233421431943. The next prime is 40233421432013. The reversal of 40233421432000 is 23412433204.

It is a self number, because there is not a number n which added to its sum of digits gives 40233421432000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47427571 + ... + 48268429.

Almost surely, 2^{40233421432000} is an apocalyptic number.

40233421432000 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 40233421432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49827422895120).

40233421432000 is an abundant number, since it is smaller than the sum of its proper divisors (59421424358240).

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

40233421432000 is an equidigital number, since it uses as much as digits as its factorization.

40233421432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846867 (or 846847 counting only the distinct ones).

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

Adding to 40233421432000 its reverse (23412433204), we get a palindrome (40256833865204).

The spelling of 40233421432000 in words is "forty trillion, two hundred thirty-three billion, four hundred twenty-one million, four hundred thirty-two thousand".