1964039080 has 16 divisors (see below), whose sum is σ = 4419088020. Its totient is φ = 785615616.

The previous prime is 1964039039. The next prime is 1964039089. The reversal of 1964039080 is 809304691.

It can be written as a sum of positive squares in 2 ways, for example, as 1906370244 + 57668836 = 43662^2 + 7594^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 49100977 = 1964039080 / (1 + 9 + 6 + 4 + 0 + 3 + 9 + 0 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (1964039089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24550449 + ... + 24550528.

Almost surely, 2^1964039080 is an apocalyptic number.

1964039080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1964039080 is an abundant number, since it is smaller than the sum of its proper divisors (2455048940).

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

1964039080 is a wasteful number, since it uses less digits than its factorization.

1964039080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49100988 (or 49100984 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1964039080 is about 44317.4805240551. The cubic root of 1964039080 is about 1252.3240135577.

The spelling of 1964039080 in words is "one billion, nine hundred sixty-four million, thirty-nine thousand, eighty".