1543792480 has 96 divisors (see below), whose sum is σ = 3734416224. Its totient is φ = 602873856.

The previous prime is 1543792463. The next prime is 1543792489. The reversal of 1543792480 is 842973451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543792489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603064 + ... + 2603656.

It is an arithmetic number, because the mean of its divisors is an integer number (38900169).

Almost surely, 2^1543792480 is an apocalyptic number.

1543792480 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 1543792480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867208112).

1543792480 is an abundant number, since it is smaller than the sum of its proper divisors (2190623744).

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

1543792480 is a wasteful number, since it uses less digits than its factorization.

1543792480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1543792480 is about 39291.1246975701. The cubic root of 1543792480 is about 1155.7475293042.

The spelling of 1543792480 in words is "one billion, five hundred forty-three million, seven hundred ninety-two thousand, four hundred eighty".