119966640 has 80 divisors (see below), whose sum is σ = 373318368. Its totient is φ = 31868928.

The previous prime is 119966633. The next prime is 119966657. The reversal of 119966640 is 46669911.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 119966592 and 119966601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74322 + ... + 75918.

Almost surely, 2^119966640 is an apocalyptic number.

119966640 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 119966640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186659184).

119966640 is an abundant number, since it is smaller than the sum of its proper divisors (253351728).

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

119966640 is a wasteful number, since it uses less digits than its factorization.

119966640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 119966640 is about 10952.9283755533. The cubic root of 119966640 is about 493.1967034995.

The spelling of 119966640 in words is "one hundred nineteen million, nine hundred sixty-six thousand, six hundred forty".