1912520064 has 256 divisors, whose sum is σ = 6306048000. Its totient is φ = 500097024.

The previous prime is 1912520059. The next prime is 1912520089. The reversal of 1912520064 is 4600252191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8002057 + ... + 8002295.

It is an arithmetic number, because the mean of its divisors is an integer number (24633000).

Almost surely, 2^1912520064 is an apocalyptic number.

1912520064 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 1912520064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153024000).

1912520064 is an abundant number, since it is smaller than the sum of its proper divisors (4393527936).

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

1912520064 is a wasteful number, since it uses less digits than its factorization.

1912520064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1912520064 is about 43732.3686072456. The cubic root of 1912520064 is about 1241.2768810130.

The spelling of 1912520064 in words is "one billion, nine hundred twelve million, five hundred twenty thousand, sixty-four".