261062010 has 96 divisors (see below), whose sum is σ = 760586112. Its totient is φ = 61568640.

The previous prime is 261062003. The next prime is 261062023. The reversal of 261062010 is 10260162.

It is a happy number.

261062010 is a `hidden beast` number, since 26 + 10 + 620 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33067 + ... + 40193.

It is an arithmetic number, because the mean of its divisors is an integer number (7922772).

Almost surely, 2^261062010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 261062010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380293056).

261062010 is an abundant number, since it is smaller than the sum of its proper divisors (499524102).

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

261062010 is a wasteful number, since it uses less digits than its factorization.

261062010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188 (or 7185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 261062010 is about 16157.4134687455. The cubic root of 261062010 is about 639.1182600521.

It can be divided in two parts, 2610 and 62010, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 261062010 in words is "two hundred sixty-one million, sixty-two thousand, ten".