197540314740 has 72 divisors (see below), whose sum is σ = 611954703360. Its totient is φ = 51556618944.

The previous prime is 197540314717. The next prime is 197540314753. The reversal of 197540314740 is 47413045791.

It is a happy number.

197540314740 is a `hidden beast` number, since 1 + 9 + 7 + 540 + 31 + 4 + 74 + 0 = 666.

It is a super-2 number, since 2×197540314740² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11666500 + ... + 11683419.

It is an arithmetic number, because the mean of its divisors is an integer number (8499370880).

Almost surely, 2^197540314740 is an apocalyptic number.

197540314740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197540314740 is an abundant number, since it is smaller than the sum of its proper divisors (414414388620).

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

197540314740 is a wasteful number, since it uses less digits than its factorization.

197540314740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23349981 (or 23349976 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 197540314740 in words is "one hundred ninety-seven billion, five hundred forty million, three hundred fourteen thousand, seven hundred forty".