1400122240000 has 440 divisors, whose sum is σ = 3981778023168. Its totient is φ = 486942720000.

The previous prime is 1400122239983. The next prime is 1400122240001. The reversal of 1400122240000 is 422210041.

It is a tau number, because it is divible by the number of its divisors (440).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400122240001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 161915677 + ... + 161924323.

Almost surely, 2^{1400122240000} is an apocalyptic number.

1400122240000 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 1400122240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990889011584).

1400122240000 is an abundant number, since it is smaller than the sum of its proper divisors (2581655783168).

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

1400122240000 is an equidigital number, since it uses as much as digits as its factorization.

1400122240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721 (or 8688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1400122240000 its reverse (422210041), we get a palindrome (1400544450041).

The spelling of 1400122240000 in words is "one trillion, four hundred billion, one hundred twenty-two million, two hundred forty thousand".