190217040 has 160 divisors (see below), whose sum is σ = 650958336. Its totient is φ = 45649920.

The previous prime is 190217033. The next prime is 190217047. The reversal of 190217040 is 40712091.

It is an interprime number because it is at equal distance from previous prime (190217033) and next prime (190217047).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 190217040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190217047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127177 + ... + 128663.

Almost surely, 2^190217040 is an apocalyptic number.

190217040 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 190217040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325479168).

190217040 is an abundant number, since it is smaller than the sum of its proper divisors (460741296).

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

190217040 is a wasteful number, since it uses less digits than its factorization.

190217040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 190217040 is about 13791.9193733142. The cubic root of 190217040 is about 575.1085264592.

The spelling of 190217040 in words is "one hundred ninety million, two hundred seventeen thousand, forty".