1623960000 has 420 divisors, whose sum is σ = 6282107832. Its totient is φ = 398592000.

The previous prime is 1623959983. The next prime is 1623960029. The reversal of 1623960000 is 693261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4679827 + ... + 4680173.

Almost surely, 2^1623960000 is an apocalyptic number.

1623960000 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 1623960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141053916).

1623960000 is an abundant number, since it is smaller than the sum of its proper divisors (4658147832).

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

1623960000 is a wasteful number, since it uses less digits than its factorization.

1623960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1623960000 is about 40298.3870644968. The cubic root of 1623960000 is about 1175.4164813021.

The spelling of 1623960000 in words is "one billion, six hundred twenty-three million, nine hundred sixty thousand".