194463465420 has 48 divisors (see below), whose sum is σ = 622283090688. Its totient is φ = 44448792000.

The previous prime is 194463465419. The next prime is 194463465467. The reversal of 194463465420 is 24564364491.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 194463465420.

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, 231503706 + ... + 231504545.

It is an arithmetic number, because the mean of its divisors is an integer number (12964231056).

Almost surely, 2^194463465420 is an apocalyptic number.

194463465420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194463465420 is an abundant number, since it is smaller than the sum of its proper divisors (427819625268).

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

194463465420 is a wasteful number, since it uses less digits than its factorization.

194463465420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463008270 (or 463008268 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 194463465420 in words is "one hundred ninety-four billion, four hundred sixty-three million, four hundred sixty-five thousand, four hundred twenty".