549679263340 has 24 divisors (see below), whose sum is σ = 1191562791552. Its totient is φ = 212779069440.

The previous prime is 549679263293. The next prime is 549679263349. The reversal of 549679263340 is 43362976945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (549679263349) 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, 443289109 + ... + 443290348.

It is an arithmetic number, because the mean of its divisors is an integer number (49648449648).

Almost surely, 2^549679263340 is an apocalyptic number.

It is an amenable number.

549679263340 is an abundant number, since it is smaller than the sum of its proper divisors (641883528212).

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

549679263340 is a wasteful number, since it uses less digits than its factorization.

549679263340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886579497 (or 886579495 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 549679263340 in words is "five hundred forty-nine billion, six hundred seventy-nine million, two hundred sixty-three thousand, three hundred forty".