40003404363432 has 448 divisors, whose sum is σ = 120352355141760. Its totient is φ = 12428859801600.

The previous prime is 40003404363427. The next prime is 40003404363449. The reversal of 40003404363432 is 23436340430004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5208094632 + ... + 5208102312.

It is an arithmetic number, because the mean of its divisors is an integer number (268643649870).

Almost surely, 2^{40003404363432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40003404363432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60176177570880).

40003404363432 is an abundant number, since it is smaller than the sum of its proper divisors (80348950778328).

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

40003404363432 is a wasteful number, since it uses less digits than its factorization.

40003404363432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716 (or 8697 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 40003404363432 its reverse (23436340430004), we get a palindrome (63439744793436).

The spelling of 40003404363432 in words is "forty trillion, three billion, four hundred four million, three hundred sixty-three thousand, four hundred thirty-two".