1964082500 has 60 divisors (see below), whose sum is σ = 4433780736. Its totient is φ = 760260000.

The previous prime is 1964082479. The next prime is 1964082511. The reversal of 1964082500 is 52804691.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64829 + ... + 90171.

Almost surely, 2^1964082500 is an apocalyptic number.

1964082500 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 1964082500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216890368).

1964082500 is an abundant number, since it is smaller than the sum of its proper divisors (2469698236).

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

1964082500 is a wasteful number, since it uses less digits than its factorization.

1964082500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25398 (or 25381 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1964082500 is about 44317.9703957661. The cubic root of 1964082500 is about 1252.3332420753. Note that the first 3 decimals are identical.

The spelling of 1964082500 in words is "one billion, nine hundred sixty-four million, eighty-two thousand, five hundred".