260421276 has 24 divisors (see below), whose sum is σ = 628603920. Its totient is φ = 83813632.

The previous prime is 260421263. The next prime is 260421289. The reversal of 260421276 is 672124062.

It is an interprime number because it is at equal distance from previous prime (260421263) and next prime (260421289).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373821 + ... + 374516.

It is an arithmetic number, because the mean of its divisors is an integer number (26191830).

Almost surely, 2^260421276 is an apocalyptic number.

It is an amenable number.

260421276 is an abundant number, since it is smaller than the sum of its proper divisors (368182644).

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

260421276 is a wasteful number, since it uses less digits than its factorization.

260421276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748373 (or 748371 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 260421276 is about 16137.5734235355. The cubic root of 260421276 is about 638.5949612930.

The spelling of 260421276 in words is "two hundred sixty million, four hundred twenty-one thousand, two hundred seventy-six".