40450432000 has 176 divisors, whose sum is σ = 110092900320. Its totient is φ = 14708736000.

The previous prime is 40450431979. The next prime is 40450432019. The reversal of 40450432000 is 23405404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 1393636 + ... + 1422364.

Almost surely, 2^40450432000 is an apocalyptic number.

40450432000 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 40450432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55046450160).

40450432000 is an abundant number, since it is smaller than the sum of its proper divisors (69642468320).

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

40450432000 is a wasteful number, since it uses less digits than its factorization.

40450432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28775 (or 28747 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 40450432000 its reverse (23405404), we get a palindrome (40473837404).

The spelling of 40450432000 in words is "forty billion, four hundred fifty million, four hundred thirty-two thousand".