260642040 has 64 divisors (see below), whose sum is σ = 783768960. Its totient is φ = 69340800.

The previous prime is 260642027. The next prime is 260642051. The reversal of 260642040 is 40246062.

260642040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260642040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53715 + ... + 58365.

It is an arithmetic number, because the mean of its divisors is an integer number (12246390).

Almost surely, 2^260642040 is an apocalyptic number.

260642040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260642040 is an abundant number, since it is smaller than the sum of its proper divisors (523126920).

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

260642040 is a wasteful number, since it uses less digits than its factorization.

260642040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 260642040 is about 16144.4120363673. The cubic root of 260642040 is about 638.7753599688.

The spelling of 260642040 in words is "two hundred sixty million, six hundred forty-two thousand, forty".