1140012223400 has 96 divisors (see below), whose sum is σ = 2707997629440. Its totient is φ = 446216117760.

The previous prime is 1140012223397. The next prime is 1140012223447. The reversal of 1140012223400 is 43222100411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546787 + ... + 2161613.

It is an arithmetic number, because the mean of its divisors is an integer number (28208308640).

Almost surely, 2^{1140012223400} is an apocalyptic number.

1140012223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140012223400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353998814720).

1140012223400 is an abundant number, since it is smaller than the sum of its proper divisors (1567985406040).

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

1140012223400 is a wasteful number, since it uses less digits than its factorization.

1140012223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615043 (or 615034 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1140012223400 its reverse (43222100411), we get a palindrome (1183234323811).

The spelling of 1140012223400 in words is "one trillion, one hundred forty billion, twelve million, two hundred twenty-three thousand, four hundred".