261426350 has 12 divisors (see below), whose sum is σ = 486253104. Its totient is φ = 104570520.

The previous prime is 261426337. The next prime is 261426367. The reversal of 261426350 is 53624162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2614214 + ... + 2614313.

It is an arithmetic number, because the mean of its divisors is an integer number (40521092).

Almost surely, 2^261426350 is an apocalyptic number.

261426350 is a deficient number, since it is larger than the sum of its proper divisors (224826754).

261426350 is a wasteful number, since it uses less digits than its factorization.

261426350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228539 (or 5228534 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 261426350 is about 16168.6842383665. The cubic root of 261426350 is about 639.4154411771.

The spelling of 261426350 in words is "two hundred sixty-one million, four hundred twenty-six thousand, three hundred fifty".