190418448 has 80 divisors (see below), whose sum is σ = 549179136. Its totient is φ = 56353920.

The previous prime is 190418419. The next prime is 190418471. The reversal of 190418448 is 844814091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18511 + ... + 26897.

Almost surely, 2^190418448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190418448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274589568).

190418448 is an abundant number, since it is smaller than the sum of its proper divisors (358760688).

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

190418448 is a wasteful number, since it uses less digits than its factorization.

190418448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 190418448 is about 13799.2191083409. The cubic root of 190418448 is about 575.3114360760.

The spelling of 190418448 in words is "one hundred ninety million, four hundred eighteen thousand, four hundred forty-eight".