261403468 has 6 divisors (see below), whose sum is σ = 457456076. Its totient is φ = 130701732.

The previous prime is 261403451. The next prime is 261403481. The reversal of 261403468 is 864304162.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32675430 + ... + 32675437.

Almost surely, 2^261403468 is an apocalyptic number.

It is an amenable number.

261403468 is a deficient number, since it is larger than the sum of its proper divisors (196052608).

261403468 is a wasteful number, since it uses less digits than its factorization.

261403468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65350871 (or 65350869 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 261403468 is about 16167.9766204680. The cubic root of 261403468 is about 639.3967851503.

The spelling of 261403468 in words is "two hundred sixty-one million, four hundred three thousand, four hundred sixty-eight".