420755134164442 has 32 divisors (see below), whose sum is σ = 788848776627840. Its totient is φ = 163517648374080.

The previous prime is 420755134164437. The next prime is 420755134164539. The reversal of 420755134164442 is 244461431557024.

It is a self number, because there is not a number n which added to its sum of digits gives 420755134164442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3440966817 + ... + 3441089092.

It is an arithmetic number, because the mean of its divisors is an integer number (24651524269620).

Almost surely, 2^{420755134164442} is an apocalyptic number.

420755134164442 is a deficient number, since it is larger than the sum of its proper divisors (368093642463398).

420755134164442 is a wasteful number, since it uses less digits than its factorization.

420755134164442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882056326.

The product of its (nonzero) digits is 12902400, while the sum is 52.

The spelling of 420755134164442 in words is "four hundred twenty trillion, seven hundred fifty-five billion, one hundred thirty-four million, one hundred sixty-four thousand, four hundred forty-two".