261003092842 has 8 divisors (see below), whose sum is σ = 391930653600. Its totient is φ = 130359541644.

The previous prime is 261003092839. The next prime is 261003092881. The reversal of 261003092842 is 248290300162.

It is a happy number.

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

It is a super-2 number, since 2×261003092842² (a number of 24 digits) contains 22 as substring.

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, 71000092 + ... + 71003767.

It is an arithmetic number, because the mean of its divisors is an integer number (48991331700).

Almost surely, 2^261003092842 is an apocalyptic number.

261003092842 is a deficient number, since it is larger than the sum of its proper divisors (130927560758).

261003092842 is a wasteful number, since it uses less digits than its factorization.

261003092842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142004780.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 261003092842 in words is "two hundred sixty-one billion, three million, ninety-two thousand, eight hundred forty-two".