261040533463410 has 64 divisors (see below), whose sum is σ = 629983070035200. Its totient is φ = 69224223589632.

The previous prime is 261040533463321. The next prime is 261040533463427. The reversal of 261040533463410 is 14364335040162.

261040533463410 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×261040533463410² (a number of 30 digits) contains 22 as substring.

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, 16880389 + ... + 28408248.

It is an arithmetic number, because the mean of its divisors is an integer number (9843485469300).

Almost surely, 2^{261040533463410} is an apocalyptic number.

261040533463410 is an abundant number, since it is smaller than the sum of its proper divisors (368942536571790).

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

261040533463410 is a wasteful number, since it uses less digits than its factorization.

261040533463410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45289715.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 261040533463410 in words is "two hundred sixty-one trillion, forty billion, five hundred thirty-three million, four hundred sixty-three thousand, four hundred ten".