402211200042 has 24 divisors (see below), whose sum is σ = 871473291780. Its totient is φ = 134067985920.

The previous prime is 402211199993. The next prime is 402211200101. The reversal of 402211200042 is 240002112204.

402211200042 is a `hidden beast` number, since 402 + 21 + 1 + 200 + 0 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 314630124561 + 87581075481 = 560919^2 + 295941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 402211199988 and 402211200024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029834 + ... + 1365642.

Almost surely, 2^402211200042 is an apocalyptic number.

402211200042 is an abundant number, since it is smaller than the sum of its proper divisors (469262091738).

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

402211200042 is a wasteful number, since it uses less digits than its factorization.

402211200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402358 (or 402355 counting only the distinct ones).

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

Adding to 402211200042 its reverse (240002112204), we get a palindrome (642213312246).

It can be divided in two parts, 402211 and 200042, that added together give a triangular number (602253 = T₁₀₉₇).

The spelling of 402211200042 in words is "four hundred two billion, two hundred eleven million, two hundred thousand, forty-two".