402051214065242 has 192 divisors, whose sum is σ = 747271865952000. Its totient is φ = 161408937811968.

The previous prime is 402051214065239. The next prime is 402051214065257. The reversal of 402051214065242 is 242560412150204.

It is a super-2 number, since 2×402051214065242² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402051214065196 and 402051214065205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44002536098 + ... + 44002545234.

It is an arithmetic number, because the mean of its divisors is an integer number (3892040968500).

Almost surely, 2^{402051214065242} is an apocalyptic number.

402051214065242 is a deficient number, since it is larger than the sum of its proper divisors (345220651886758).

402051214065242 is a wasteful number, since it uses less digits than its factorization.

402051214065242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453 (or 10446 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 402051214065242 in words is "four hundred two trillion, fifty-one billion, two hundred fourteen million, sixty-five thousand, two hundred forty-two".