1400344330242 has 256 divisors, whose sum is σ = 3425029816320. Its totient is φ = 376011417600.

The previous prime is 1400344330171. The next prime is 1400344330303. The reversal of 1400344330242 is 2420334430041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1019915068 + ... + 1019916440.

It is an arithmetic number, because the mean of its divisors is an integer number (13379022720).

Almost surely, 2^{1400344330242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400344330242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712514908160).

1400344330242 is an abundant number, since it is smaller than the sum of its proper divisors (2024685486078).

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

1400344330242 is a wasteful number, since it uses less digits than its factorization.

1400344330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1400344330242 its reverse (2420334430041), we get a palindrome (3820678760283).

The spelling of 1400344330242 in words is "one trillion, four hundred billion, three hundred forty-four million, three hundred thirty thousand, two hundred forty-two".