201841278870 has 64 divisors (see below), whose sum is σ = 603951054336. Its totient is φ = 41941044480.

The previous prime is 201841278829. The next prime is 201841278883. The reversal of 201841278870 is 78872148102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43686279 + ... + 43690898.

It is an arithmetic number, because the mean of its divisors is an integer number (9436735224).

Almost surely, 2^201841278870 is an apocalyptic number.

201841278870 is an abundant number, since it is smaller than the sum of its proper divisors (402109775466).

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

201841278870 is a wasteful number, since it uses less digits than its factorization.

201841278870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87377205.

The product of its (nonzero) digits is 401408, while the sum is 48.

The spelling of 201841278870 in words is "two hundred one billion, eight hundred forty-one million, two hundred seventy-eight thousand, eight hundred seventy".