1967860940 has 24 divisors (see below), whose sum is σ = 4133384640. Its totient is φ = 786977408.

The previous prime is 1967860931. The next prime is 1967861053. The reversal of 1967860940 is 490687691.

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, 137021 + ... + 150699.

It is an arithmetic number, because the mean of its divisors is an integer number (172224360).

Almost surely, 2^1967860940 is an apocalyptic number.

1967860940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1967860940 is an abundant number, since it is smaller than the sum of its proper divisors (2165523700).

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

1967860940 is a wasteful number, since it uses less digits than its factorization.

1967860940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881 (or 20879 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1967860940 is about 44360.5786707072. The cubic root of 1967860940 is about 1253.1357940584.

The spelling of 1967860940 in words is "one billion, nine hundred sixty-seven million, eight hundred sixty thousand, nine hundred forty".