2231400033640 has 64 divisors (see below), whose sum is σ = 5074700181120. Its totient is φ = 882966240000.

The previous prime is 2231400033637. The next prime is 2231400033647. The reversal of 2231400033640 is 463300041322.

It is a super-3 number, since 3×2231400033640³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231400033599 and 2231400033608.

It is not an unprimeable number, because it can be changed into a prime (2231400033647) 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, 4495005 + ... + 4966675.

It is an arithmetic number, because the mean of its divisors is an integer number (79292190330).

Almost surely, 2^{2231400033640} is an apocalyptic number.

2231400033640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231400033640 is an abundant number, since it is smaller than the sum of its proper divisors (2843300147480).

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

2231400033640 is a wasteful number, since it uses less digits than its factorization.

2231400033640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472954 (or 472950 counting only the distinct ones).

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

Adding to 2231400033640 its reverse (463300041322), we get a palindrome (2694700074962).

The spelling of 2231400033640 in words is "two trillion, two hundred thirty-one billion, four hundred million, thirty-three thousand, six hundred forty".