260451408 has 40 divisors (see below), whose sum is σ = 768952768. Its totient is φ = 74414592.

The previous prime is 260451403. The next prime is 260451419. The reversal of 260451408 is 804154062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260451403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387241 + ... + 387912.

Almost surely, 2^260451408 is an apocalyptic number.

260451408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260451408 is an abundant number, since it is smaller than the sum of its proper divisors (508501360).

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

260451408 is a wasteful number, since it uses less digits than its factorization.

260451408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775171 (or 775165 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 260451408 is about 16138.5069941429. The cubic root of 260451408 is about 638.6195898508.

The spelling of 260451408 in words is "two hundred sixty million, four hundred fifty-one thousand, four hundred eight".