40001342332231 has 16 divisors (see below), whose sum is σ = 45778098023424. Its totient is φ = 34240173547104.

The previous prime is 40001342332223. The next prime is 40001342332271. The reversal of 40001342332231 is 13223324310004.

It is a happy number.

It is not a de Polignac number, because 40001342332231 - 2³ = 40001342332223 is a prime.

It is a super-3 number, since 3×40001342332231³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40001342332231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001342332201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27046386 + ... + 28487008.

It is an arithmetic number, because the mean of its divisors is an integer number (2861131126464).

Almost surely, 2^{40001342332231} is an apocalyptic number.

40001342332231 is a deficient number, since it is larger than the sum of its proper divisors (5776755691193).

40001342332231 is a wasteful number, since it uses less digits than its factorization.

40001342332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446030.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40001342332231 its reverse (13223324310004), we get a palindrome (53224666642235).

The spelling of 40001342332231 in words is "forty trillion, one billion, three hundred forty-two million, three hundred thirty-two thousand, two hundred thirty-one".