261464496 has 40 divisors (see below), whose sum is σ = 693710064. Its totient is φ = 84798720.

The previous prime is 261464479. The next prime is 261464527. The reversal of 261464496 is 694464162.

261464496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 71835 + ... + 75386.

Almost surely, 2^261464496 is an apocalyptic number.

It is an amenable number.

261464496 is an abundant number, since it is smaller than the sum of its proper divisors (432245568).

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

261464496 is a wasteful number, since it uses less digits than its factorization.

261464496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147269 (or 147263 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 261464496 is about 16169.8638213190. The cubic root of 261464496 is about 639.4465397449.

The spelling of 261464496 in words is "two hundred sixty-one million, four hundred sixty-four thousand, four hundred ninety-six".