40431241434 has 32 divisors (see below), whose sum is σ = 81725978880. Its totient is φ = 13333266432.

The previous prime is 40431241427. The next prime is 40431241439. The reversal of 40431241434 is 43414213404.

It is not an unprimeable number, because it can be changed into a prime (40431241439) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1804122 + ... + 1826394.

It is an arithmetic number, because the mean of its divisors is an integer number (2553936840).

Almost surely, 2^40431241434 is an apocalyptic number.

40431241434 is an abundant number, since it is smaller than the sum of its proper divisors (41294737446).

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

40431241434 is a wasteful number, since it uses less digits than its factorization.

40431241434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40431241434 its reverse (43414213404), we get a palindrome (83845454838).

The spelling of 40431241434 in words is "forty billion, four hundred thirty-one million, two hundred forty-one thousand, four hundred thirty-four".