1920752064 has 504 divisors, whose sum is σ = 7195295744. Its totient is φ = 479001600.

The previous prime is 1920752059. The next prime is 1920752077. The reversal of 1920752064 is 4602570291.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15123969 + ... + 15124095.

Almost surely, 2^1920752064 is an apocalyptic number.

1920752064 is a gapful number since it is divisible by the number (14) 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 1920752064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597647872).

1920752064 is an abundant number, since it is smaller than the sum of its proper divisors (5274543680).

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

1920752064 is a wasteful number, since it uses less digits than its factorization.

1920752064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1920752064 is about 43826.3854772442. The cubic root of 1920752064 is about 1243.0552615941.

The spelling of 1920752064 in words is "one billion, nine hundred twenty million, seven hundred fifty-two thousand, sixty-four".