264896190 has 128 divisors (see below), whose sum is σ = 767047680. Its totient is φ = 64665216.

The previous prime is 264896161. The next prime is 264896197. The reversal of 264896190 is 91698462.

It is a happy number.

264896190 is a `hidden beast` number, since 26 + 4 + 8 + 9 + 619 + 0 = 666.

It is a super-2 number, since 2×264896190² = 140339982953032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264896197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 571899 + ... + 572361.

It is an arithmetic number, because the mean of its divisors is an integer number (5992560).

Almost surely, 2^264896190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264896190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383523840).

264896190 is an abundant number, since it is smaller than the sum of its proper divisors (502151490).

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

264896190 is a wasteful number, since it uses less digits than its factorization.

264896190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 264896190 is about 16275.6317849723. The cubic root of 264896190 is about 642.2319451897.

The spelling of 264896190 in words is "two hundred sixty-four million, eight hundred ninety-six thousand, one hundred ninety".