261443462 has 16 divisors (see below), whose sum is σ = 450696960. Its totient is φ = 111420168.

The previous prime is 261443453. The next prime is 261443471. The reversal of 261443462 is 264344162.

It is an interprime number because it is at equal distance from previous prime (261443453) and next prime (261443471).

It is a congruent number.

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, 49658 + ... + 54669.

It is an arithmetic number, because the mean of its divisors is an integer number (28168560).

Almost surely, 2^261443462 is an apocalyptic number.

261443462 is a deficient number, since it is larger than the sum of its proper divisors (189253498).

261443462 is a wasteful number, since it uses less digits than its factorization.

261443462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104515.

The product of its digits is 27648, while the sum is 32.

The square root of 261443462 is about 16169.2134007811. The cubic root of 261443462 is about 639.4293921277.

The spelling of 261443462 in words is "two hundred sixty-one million, four hundred forty-three thousand, four hundred sixty-two".