273503420540 has 36 divisors (see below), whose sum is σ = 668129786856. Its totient is φ = 93772600992.

The previous prime is 273503420539. The next prime is 273503420569. The reversal of 273503420540 is 45024305372.

273503420540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 273503420540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139541582 + ... + 139543541.

It is an arithmetic number, because the mean of its divisors is an integer number (18559160746).

Almost surely, 2^273503420540 is an apocalyptic number.

273503420540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273503420540 is an abundant number, since it is smaller than the sum of its proper divisors (394626366316).

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

273503420540 is a wasteful number, since it uses less digits than its factorization.

273503420540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279085146 (or 279085137 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 35.

The spelling of 273503420540 in words is "two hundred seventy-three billion, five hundred three million, four hundred twenty thousand, five hundred forty".