1140431211420 has 96 divisors (see below), whose sum is σ = 3261519184896. Its totient is φ = 297610579200.

The previous prime is 1140431211407. The next prime is 1140431211421. The reversal of 1140431211420 is 241121340411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140431211421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33318115 + ... + 33352325.

It is an arithmetic number, because the mean of its divisors is an integer number (33974158176).

Almost surely, 2^{1140431211420} is an apocalyptic number.

1140431211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140431211420 is an abundant number, since it is smaller than the sum of its proper divisors (2121087973476).

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

1140431211420 is a wasteful number, since it uses less digits than its factorization.

1140431211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46091 (or 46089 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1140431211420 its reverse (241121340411), we get a palindrome (1381552551831).

The spelling of 1140431211420 in words is "one trillion, one hundred forty billion, four hundred thirty-one million, two hundred eleven thousand, four hundred twenty".