260531442 has 36 divisors (see below), whose sum is σ = 590116254. Its totient is φ = 83064960.

The previous prime is 260531441. The next prime is 260531461. The reversal of 260531442 is 244135062.

260531442 is a `hidden beast` number, since 2 + 605 + 3 + 14 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211964481 + 48566961 = 14559^2 + 6969^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260531441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4159 + ... + 23202.

Almost surely, 2^260531442 is an apocalyptic number.

260531442 is an abundant number, since it is smaller than the sum of its proper divisors (329584812).

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

260531442 is a wasteful number, since it uses less digits than its factorization.

260531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27415 (or 27389 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 260531442 is about 16140.9864010847. The cubic root of 260531442 is about 638.6849968637.

It can be divided in two parts, 26053 and 1442, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 260531442 in words is "two hundred sixty million, five hundred thirty-one thousand, four hundred forty-two".