80260261240 has 16 divisors (see below), whose sum is σ = 180585587880. Its totient is φ = 32104104480.

The previous prime is 80260261223. The next prime is 80260261241. The reversal of 80260261240 is 4216206208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80260261241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003253226 + ... + 1003253305.

Almost surely, 2^80260261240 is an apocalyptic number.

It is an amenable number.

80260261240 is an abundant number, since it is smaller than the sum of its proper divisors (100325326640).

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

80260261240 is a wasteful number, since it uses less digits than its factorization.

80260261240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006506542 (or 2006506538 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 80260261240 its reverse (4216206208), we get a palindrome (84476467448).

The spelling of 80260261240 in words is "eighty billion, two hundred sixty million, two hundred sixty-one thousand, two hundred forty".