101400200442 has 48 divisors (see below), whose sum is σ = 221998725000. Its totient is φ = 33448175232.

The previous prime is 101400200423. The next prime is 101400200449. The reversal of 101400200442 is 244002004101.

101400200442 is a `hidden beast` number, since 10 + 14 + 0 + 0 + 200 + 442 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20733408081 + 80666792361 = 143991^2 + 284019^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101400200449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651184 + ... + 791732.

Almost surely, 2^101400200442 is an apocalyptic number.

101400200442 is an abundant number, since it is smaller than the sum of its proper divisors (120598524558).

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

101400200442 is a wasteful number, since it uses less digits than its factorization.

101400200442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140975 (or 140972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 101400200442 its reverse (244002004101), we get a palindrome (345402204543).

The spelling of 101400200442 in words is "one hundred one billion, four hundred million, two hundred thousand, four hundred forty-two".