40441342511 has 4 divisors (see below), whose sum is σ = 40472718000. Its totient is φ = 40409967024.

The previous prime is 40441342507. The next prime is 40441342567. The reversal of 40441342511 is 11524314404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40441342511 - 2² = 40441342507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441302511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15685811 + ... + 15688388.

It is an arithmetic number, because the mean of its divisors is an integer number (10118179500).

Almost surely, 2^40441342511 is an apocalyptic number.

40441342511 is a deficient number, since it is larger than the sum of its proper divisors (31375489).

40441342511 is a wasteful number, since it uses less digits than its factorization.

40441342511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31375488.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 40441342511 its reverse (11524314404), we get a palindrome (51965656915).

The spelling of 40441342511 in words is "forty billion, four hundred forty-one million, three hundred forty-two thousand, five hundred eleven".