197692925040 has 240 divisors, whose sum is σ = 721552671840. Its totient is φ = 48216176640.

The previous prime is 197692925039. The next prime is 197692925099. The reversal of 197692925040 is 40529296791.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×197692925040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923355 + ... + 1117125.

It is an arithmetic number, because the mean of its divisors is an integer number (3006469466).

Almost surely, 2^197692925040 is an apocalyptic number.

197692925040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197692925040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360776335920).

197692925040 is an abundant number, since it is smaller than the sum of its proper divisors (523859746800).

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

197692925040 is a wasteful number, since it uses less digits than its factorization.

197692925040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193912 (or 193903 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 197692925040 in words is "one hundred ninety-seven billion, six hundred ninety-two million, nine hundred twenty-five thousand, forty".