260420504206436 has 24 divisors (see below), whose sum is σ = 520986454301376. Its totient is φ = 111577620540960.

The previous prime is 260420504206397. The next prime is 260420504206439. The reversal of 260420504206436 is 634602405024062.

It is a super-2 number, since 2×260420504206436² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260420504206439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298521946 + ... + 1298722481.

It is an arithmetic number, because the mean of its divisors is an integer number (21707768929224).

Almost surely, 2^{260420504206436} is an apocalyptic number.

It is an amenable number.

260420504206436 is an abundant number, since it is smaller than the sum of its proper divisors (260565950094940).

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

260420504206436 is a wasteful number, since it uses less digits than its factorization.

260420504206436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597248019 (or 2597248017 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 260420504206436 in words is "two hundred sixty trillion, four hundred twenty billion, five hundred four million, two hundred six thousand, four hundred thirty-six".