261150038 has 8 divisors (see below), whose sum is σ = 396444888. Its totient is φ = 129001744.

The previous prime is 261150031. The next prime is 261150049. The reversal of 261150038 is 830051162.

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 = 261149989 and 261150016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261150031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786431 + ... + 786762.

It is an arithmetic number, because the mean of its divisors is an integer number (49555611).

Almost surely, 2^261150038 is an apocalyptic number.

261150038 is a deficient number, since it is larger than the sum of its proper divisors (135294850).

261150038 is a wasteful number, since it uses less digits than its factorization.

261150038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573278.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 261150038 is about 16160.1373137730. The cubic root of 261150038 is about 639.1900871503.

The spelling of 261150038 in words is "two hundred sixty-one million, one hundred fifty thousand, thirty-eight".