197333379933840 has 60 divisors (see below), whose sum is σ = 662711267613564. Its totient is φ = 52622234648832.

The previous prime is 197333379933817. The next prime is 197333379933853. The reversal of 197333379933840 is 48339973333791.

197333379933840 is a `hidden beast` number, since 1 + 9 + 73 + 33 + 379 + 93 + 38 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127977995805696 + 69355384128144 = 11312736^2 + 8327988^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×197333379933840² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137037068679 + ... + 137037070118.

Almost surely, 2^{197333379933840} is an apocalyptic number.

197333379933840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197333379933840 is an abundant number, since it is smaller than the sum of its proper divisors (465377887679724).

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

197333379933840 is a wasteful number, since it uses less digits than its factorization.

197333379933840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274074138816 (or 274074138807 counting only the distinct ones).

The product of its (nonzero) digits is 833299488, while the sum is 72.

The spelling of 197333379933840 in words is "one hundred ninety-seven trillion, three hundred thirty-three billion, three hundred seventy-nine million, nine hundred thirty-three thousand, eight hundred forty".