1400141213442 has 72 divisors (see below), whose sum is σ = 3169024314300. Its totient is φ = 446243442624.

The previous prime is 1400141213441. The next prime is 1400141213453. The reversal of 1400141213442 is 2443121410041.

1400141213442 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 1 + 4 + 1 + 213 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1327705412121 + 72435801321 = 1152261^2 + 269139^2 .

It is not an unprimeable number, because it can be changed into a prime (1400141213441) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5411484 + ... + 5664312.

Almost surely, 2^{1400141213442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400141213442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584512157150).

1400141213442 is an abundant number, since it is smaller than the sum of its proper divisors (1768883100858).

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

1400141213442 is a wasteful number, since it uses less digits than its factorization.

1400141213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253072 (or 252966 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1400141213442 its reverse (2443121410041), we get a palindrome (3843262623483).

The spelling of 1400141213442 in words is "one trillion, four hundred billion, one hundred forty-one million, two hundred thirteen thousand, four hundred forty-two".