261035472 has 40 divisors (see below), whose sum is σ = 677340576. Its totient is φ = 86624896.

The previous prime is 261035461. The next prime is 261035473. The reversal of 261035472 is 274530162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261035473) 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, 1083 + ... + 22874.

Almost surely, 2^261035472 is an apocalyptic number.

It is an amenable number.

261035472 is an abundant number, since it is smaller than the sum of its proper divisors (416305104).

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

261035472 is a wasteful number, since it uses less digits than its factorization.

261035472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24195 (or 24189 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 261035472 is about 16156.5922149443. The cubic root of 261035472 is about 639.0966030071.

The spelling of 261035472 in words is "two hundred sixty-one million, thirty-five thousand, four hundred seventy-two".