402213022235442 has 48 divisors (see below), whose sum is σ = 950850923742720. Its totient is φ = 121861503439200.

The previous prime is 402213022235371. The next prime is 402213022235461. The reversal of 402213022235442 is 244532220312204.

402213022235442 is a `hidden beast` number, since 40 + 2 + 2 + 1 + 3 + 0 + 222 + 354 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 402213022235397 and 402213022235406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175781842 + ... + 178055277.

It is an arithmetic number, because the mean of its divisors is an integer number (19809394244640).

Almost surely, 2^{402213022235442} is an apocalyptic number.

402213022235442 is an abundant number, since it is smaller than the sum of its proper divisors (548637901507278).

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

402213022235442 is a wasteful number, since it uses less digits than its factorization.

402213022235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353842879 (or 353842876 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 402213022235442 its reverse (244532220312204), we get a palindrome (646745242547646).

The spelling of 402213022235442 in words is "four hundred two trillion, two hundred thirteen billion, twenty-two million, two hundred thirty-five thousand, four hundred forty-two".