103273773440 has 128 divisors (see below), whose sum is σ = 260065728000. Its totient is φ = 39107819520.

The previous prime is 103273773431. The next prime is 103273773461. The reversal of 103273773440 is 44377372301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28440425 + ... + 28444055.

It is an arithmetic number, because the mean of its divisors is an integer number (2031763500).

Almost surely, 2^103273773440 is an apocalyptic number.

103273773440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103273773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130032864000).

103273773440 is an abundant number, since it is smaller than the sum of its proper divisors (156791954560).

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

103273773440 is a wasteful number, since it uses less digits than its factorization.

103273773440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008 (or 5996 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 103273773440 in words is "one hundred three billion, two hundred seventy-three million, seven hundred seventy-three thousand, four hundred forty".