260780038 has 8 divisors (see below), whose sum is σ = 395203032. Its totient is φ = 129045696.

The previous prime is 260780021. The next prime is 260780071. The reversal of 260780038 is 830087062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 260779985 and 260780012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671920 + ... + 672307.

It is an arithmetic number, because the mean of its divisors is an integer number (49400379).

Almost surely, 2^260780038 is an apocalyptic number.

260780038 is a deficient number, since it is larger than the sum of its proper divisors (134422994).

260780038 is a wasteful number, since it uses less digits than its factorization.

260780038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344326.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 260780038 is about 16148.6853334877. The cubic root of 260780038 is about 638.8880741593. Note that the first 3 decimals are identical.

The spelling of 260780038 in words is "two hundred sixty million, seven hundred eighty thousand, thirty-eight".