259780948 has 36 divisors (see below), whose sum is σ = 530234292. Its totient is φ = 111041280.

The previous prime is 259780903. The next prime is 259780949. The reversal of 259780948 is 849087952.

It can be written as a sum of positive squares in 2 ways, for example, as 145974724 + 113806224 = 12082^2 + 10668^2 .

It is a super-2 number, since 2×259780948² = 134972281887557408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259780895 and 259780904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259780949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83338 + ... + 86398.

Almost surely, 2^259780948 is an apocalyptic number.

259780948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

259780948 is an abundant number, since it is smaller than the sum of its proper divisors (270453344).

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

259780948 is a wasteful number, since it uses less digits than its factorization.

259780948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 259780948 is about 16117.7215511374. The cubic root of 259780948 is about 638.0711358921.

The spelling of 259780948 in words is "two hundred fifty-nine million, seven hundred eighty thousand, nine hundred forty-eight".