41291251278 has 48 divisors (see below), whose sum is σ = 87772552560. Its totient is φ = 12947252224.

The previous prime is 41291251259. The next prime is 41291251283. The reversal of 41291251278 is 87215219214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3998650 + ... + 4008962.

It is an arithmetic number, because the mean of its divisors is an integer number (1828594845).

Almost surely, 2^41291251278 is an apocalyptic number.

41291251278 is an abundant number, since it is smaller than the sum of its proper divisors (46481301282).

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

41291251278 is a wasteful number, since it uses less digits than its factorization.

41291251278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661 (or 12644 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The spelling of 41291251278 in words is "forty-one billion, two hundred ninety-one million, two hundred fifty-one thousand, two hundred seventy-eight".