197446505740 has 48 divisors (see below), whose sum is σ = 452503576224. Its totient is φ = 71771494400.

The previous prime is 197446505723. The next prime is 197446505747. The reversal of 197446505740 is 47505644791.

It is not an unprimeable number, because it can be changed into a prime (197446505747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415650 + ... + 753430.

It is an arithmetic number, because the mean of its divisors is an integer number (9427157838).

Almost surely, 2^197446505740 is an apocalyptic number.

197446505740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197446505740 is an abundant number, since it is smaller than the sum of its proper divisors (255057070484).

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

197446505740 is a wasteful number, since it uses less digits than its factorization.

197446505740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340458 (or 340456 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 197446505740 in words is "one hundred ninety-seven billion, four hundred forty-six million, five hundred five thousand, seven hundred forty".