1473540820 has 96 divisors (see below), whose sum is σ = 3358656000. Its totient is φ = 541209600.

The previous prime is 1473540791. The next prime is 1473540829. The reversal of 1473540820 is 280453741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473540829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4222006 + ... + 4222354.

It is an arithmetic number, because the mean of its divisors is an integer number (34986000).

Almost surely, 2^1473540820 is an apocalyptic number.

1473540820 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 1473540820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679328000).

1473540820 is an abundant number, since it is smaller than the sum of its proper divisors (1885115180).

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

1473540820 is a wasteful number, since it uses less digits than its factorization.

1473540820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1473540820 is about 38386.7271332162. The cubic root of 1473540820 is about 1137.9435635974.

It can be divided in two parts, 14735 and 40820, that added together give a palindrome (55555).

The spelling of 1473540820 in words is "one billion, four hundred seventy-three million, five hundred forty thousand, eight hundred twenty".