41433231440 has 80 divisors (see below), whose sum is σ = 99345605760. Its totient is φ = 16062789120.

The previous prime is 41433231373. The next prime is 41433231457. The reversal of 41433231440 is 4413233414.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 273302 + ... + 396938.

It is an arithmetic number, because the mean of its divisors is an integer number (1241820072).

Almost surely, 2^41433231440 is an apocalyptic number.

41433231440 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 41433231440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49672802880).

41433231440 is an abundant number, since it is smaller than the sum of its proper divisors (57912374320).

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

41433231440 is a wasteful number, since it uses less digits than its factorization.

41433231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123780 (or 123774 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 41433231440 its reverse (4413233414), we get a palindrome (45846464854).

The spelling of 41433231440 in words is "forty-one billion, four hundred thirty-three million, two hundred thirty-one thousand, four hundred forty".