260434920 has 32 divisors (see below), whose sum is σ = 781305120. Its totient is φ = 69449280.

The previous prime is 260434913. The next prime is 260434949. The reversal of 260434920 is 29434062.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085026 + ... + 1085265.

It is an arithmetic number, because the mean of its divisors is an integer number (24415785).

Almost surely, 2^260434920 is an apocalyptic number.

260434920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260434920 is an abundant number, since it is smaller than the sum of its proper divisors (520870200).

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

260434920 is a wasteful number, since it uses less digits than its factorization.

260434920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170305 (or 2170301 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 260434920 is about 16137.9961581356. The cubic root of 260434920 is about 638.6061135276.

Adding to 260434920 its reverse (29434062), we get a palindrome (289868982).

The spelling of 260434920 in words is "two hundred sixty million, four hundred thirty-four thousand, nine hundred twenty".