187040448 has 252 divisors, whose sum is σ = 653536920. Its totient is φ = 52303104.

The previous prime is 187040437. The next prime is 187040473. The reversal of 187040448 is 844040781.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3979561 + ... + 3979607.

Almost surely, 2^187040448 is an apocalyptic number.

187040448 is a gapful number since it is divisible by the number (18) 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 187040448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326768460).

187040448 is an abundant number, since it is smaller than the sum of its proper divisors (466496472).

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

187040448 is an equidigital number, since it uses as much as digits as its factorization.

187040448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 187040448 is about 13676.2731765639. The cubic root of 187040448 is about 571.8891336469.

The spelling of 187040448 in words is "one hundred eighty-seven million, forty thousand, four hundred forty-eight".