196448335440 has 80 divisors (see below), whose sum is σ = 695988394368. Its totient is φ = 44902476288.

The previous prime is 196448335423. The next prime is 196448335477. The reversal of 196448335440 is 44533844691.

196448335440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 58465087 + ... + 58468446.

Almost surely, 2^196448335440 is an apocalyptic number.

196448335440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196448335440 is an abundant number, since it is smaller than the sum of its proper divisors (499540058928).

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

196448335440 is a wasteful number, since it uses less digits than its factorization.

196448335440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116933556 (or 116933550 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 196448335440 in words is "one hundred ninety-six billion, four hundred forty-eight million, three hundred thirty-five thousand, four hundred forty".