261547476002 has 16 divisors (see below), whose sum is σ = 395784355680. Its totient is φ = 129622408608.

The previous prime is 261547475977. The next prime is 261547476023. The reversal of 261547476002 is 200674745162.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590888 + ... + 933939.

It is an arithmetic number, because the mean of its divisors is an integer number (24736522230).

Almost surely, 2^261547476002 is an apocalyptic number.

261547476002 is a deficient number, since it is larger than the sum of its proper divisors (134236879678).

261547476002 is a wasteful number, since it uses less digits than its factorization.

261547476002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525585.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 261547476002 in words is "two hundred sixty-one billion, five hundred forty-seven million, four hundred seventy-six thousand, two".