506066454854394 has 64 divisors (see below), whose sum is σ = 1178598872906496. Its totient is φ = 141856206395904.

The previous prime is 506066454854393. The next prime is 506066454854399. The reversal of 506066454854394 is 493458454660605.

It is a super-2 number, since 2×506066454854394² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506066454854393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47125974 + ... + 56859390.

It is an arithmetic number, because the mean of its divisors is an integer number (18415607389164).

Almost surely, 2^{506066454854394} is an apocalyptic number.

506066454854394 is an abundant number, since it is smaller than the sum of its proper divisors (672532418052102).

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

506066454854394 is a wasteful number, since it uses less digits than its factorization.

506066454854394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756839.

The product of its (nonzero) digits is 1492992000, while the sum is 69.

The spelling of 506066454854394 in words is "five hundred six trillion, sixty-six billion, four hundred fifty-four million, eight hundred fifty-four thousand, three hundred ninety-four".