2011400142 has 32 divisors (see below), whose sum is σ = 4136832000. Its totient is φ = 651508128.

The previous prime is 2011400129. The next prime is 2011400147. The reversal of 2011400142 is 2410041102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011400147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180859 + ... + 191657.

It is an arithmetic number, because the mean of its divisors is an integer number (129276000).

Almost surely, 2^2011400142 is an apocalyptic number.

2011400142 is an abundant number, since it is smaller than the sum of its proper divisors (2125431858).

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

2011400142 is a wasteful number, since it uses less digits than its factorization.

2011400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2011400142 is about 44848.6358989881. The cubic root of 2011400142 is about 1262.3103956285.

Adding to 2011400142 its reverse (2410041102), we get a palindrome (4421441244).

The spelling of 2011400142 in words is "two billion, eleven million, four hundred thousand, one hundred forty-two".