260632140 has 24 divisors (see below), whose sum is σ = 729770160. Its totient is φ = 69501888.

The previous prime is 260632133. The next prime is 260632147. The reversal of 260632140 is 41236062.

It is an interprime number because it is at equal distance from previous prime (260632133) and next prime (260632147).

It is a super-2 number, since 2×260632140² = 135858224801959200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260632140.

It is not an unprimeable number, because it can be changed into a prime (260632147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171875 + ... + 2171994.

It is an arithmetic number, because the mean of its divisors is an integer number (30407090).

Almost surely, 2^260632140 is an apocalyptic number.

260632140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260632140 is an abundant number, since it is smaller than the sum of its proper divisors (469138020).

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

260632140 is a wasteful number, since it uses less digits than its factorization.

260632140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343881 (or 4343879 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 260632140 is about 16144.1054258203. The cubic root of 260632140 is about 638.7672723043.

It can be divided in two parts, 26063 and 2140, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 260632140 in words is "two hundred sixty million, six hundred thirty-two thousand, one hundred forty".