260190390 has 32 divisors (see below), whose sum is σ = 625936896. Its totient is φ = 69219680.

The previous prime is 260190373. The next prime is 260190397. The reversal of 260190390 is 93091062.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260190397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2869 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (19560528).

Almost surely, 2^260190390 is an apocalyptic number.

260190390 is an abundant number, since it is smaller than the sum of its proper divisors (365746506).

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

260190390 is a wasteful number, since it uses less digits than its factorization.

260190390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20564.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 260190390 is about 16130.4181594899. The cubic root of 260190390 is about 638.4061822584.

The spelling of 260190390 in words is "two hundred sixty million, one hundred ninety thousand, three hundred ninety".