191340480 has 56 divisors (see below), whose sum is σ = 607509072. Its totient is φ = 51023872.

The previous prime is 191340437. The next prime is 191340493. The reversal of 191340480 is 84043191.

It is a happy number.

It is a super-2 number, since 2×191340480² = 73222358573260800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 98697 + ... + 100616.

Almost surely, 2^191340480 is an apocalyptic number.

191340480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191340480 is an abundant number, since it is smaller than the sum of its proper divisors (416168592).

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

191340480 is a wasteful number, since it uses less digits than its factorization.

191340480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199333 (or 199323 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 191340480 is about 13832.5876104220. The cubic root of 191340480 is about 576.2385200430.

The spelling of 191340480 in words is "one hundred ninety-one million, three hundred forty thousand, four hundred eighty".