197015463740 has 24 divisors (see below), whose sum is σ = 427078684032. Its totient is φ = 76264050240.

The previous prime is 197015463683. The next prime is 197015463763. The reversal of 197015463740 is 47364510791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158882819 + ... + 158884058.

It is an arithmetic number, because the mean of its divisors is an integer number (17794945168).

Almost surely, 2^197015463740 is an apocalyptic number.

197015463740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197015463740 is an abundant number, since it is smaller than the sum of its proper divisors (230063220292).

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

197015463740 is a wasteful number, since it uses less digits than its factorization.

197015463740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317766917 (or 317766915 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 197015463740 in words is "one hundred ninety-seven billion, fifteen million, four hundred sixty-three thousand, seven hundred forty".