260261400 has 96 divisors (see below), whose sum is σ = 922083840. Its totient is φ = 59487360.

The previous prime is 260261387. The next prime is 260261401. The reversal of 260261400 is 4162062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260261401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26784 + ... + 35183.

It is an arithmetic number, because the mean of its divisors is an integer number (9605040).

Almost surely, 2^260261400 is an apocalyptic number.

260261400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260261400 is an abundant number, since it is smaller than the sum of its proper divisors (661822440).

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

260261400 is a wasteful number, since it uses less digits than its factorization.

260261400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61993 (or 61984 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 260261400 is about 16132.6191301971. The cubic root of 260261400 is about 638.4642539645.

The spelling of 260261400 in words is "two hundred sixty million, two hundred sixty-one thousand, four hundred".