261067450 has 48 divisors (see below), whose sum is σ = 558607104. Its totient is φ = 88920000.

The previous prime is 261067409. The next prime is 261067451. The reversal of 261067450 is 54760162.

It is a happy number.

261067450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (261067451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52575 + ... + 57325.

It is an arithmetic number, because the mean of its divisors is an integer number (11637648).

Almost surely, 2^261067450 is an apocalyptic number.

261067450 is an abundant number, since it is smaller than the sum of its proper divisors (297539654).

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

261067450 is a wasteful number, since it uses less digits than its factorization.

261067450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 261067450 is about 16157.5818116450. The cubic root of 261067450 is about 639.1226993285.

The spelling of 261067450 in words is "two hundred sixty-one million, sixty-seven thousand, four hundred fifty".