1623484560 has 80 divisors (see below), whose sum is σ = 5077425024. Its totient is φ = 429090816.

The previous prime is 1623484537. The next prime is 1623484591. The reversal of 1623484560 is 654843261.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2812 + ... + 57051.

Almost surely, 2^1623484560 is an apocalyptic number.

1623484560 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 1623484560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2538712512).

1623484560 is an abundant number, since it is smaller than the sum of its proper divisors (3453940464).

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

1623484560 is a wasteful number, since it uses less digits than its factorization.

1623484560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59992 (or 59986 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 1623484560 is about 40292.4876372755. The cubic root of 1623484560 is about 1175.3017628449.

The spelling of 1623484560 in words is "one billion, six hundred twenty-three million, four hundred eighty-four thousand, five hundred sixty".