1140020431002 has 32 divisors (see below), whose sum is σ = 2548022564160. Its totient is φ = 377810236080.

The previous prime is 1140020430979. The next prime is 1140020431007. The reversal of 1140020431002 is 2001340200411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1140020431007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61006524 + ... + 61025207.

It is an arithmetic number, because the mean of its divisors is an integer number (79625705130).

Almost surely, 2^{1140020431002} is an apocalyptic number.

1140020431002 is an abundant number, since it is smaller than the sum of its proper divisors (1408002133158).

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

1140020431002 is a wasteful number, since it uses less digits than its factorization.

1140020431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122031915 (or 122031909 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1140020431002 its reverse (2001340200411), we get a palindrome (3141360631413).

The spelling of 1140020431002 in words is "one trillion, one hundred forty billion, twenty million, four hundred thirty-one thousand, two".