2078630464 has 63 divisors (see below), whose sum is σ = 4258475481. Its totient is φ = 1006671360.

The previous prime is 2078630461. The next prime is 2078630467. The reversal of 2078630464 is 4640368702.

It is a happy number.

The square root of 2078630464 is 45592.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2078630461) and next prime (2078630467).

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 1978470400 = 10008^2 + 44480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078630461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14954107 + ... + 14954245.

Almost surely, 2^2078630464 is an apocalyptic number.

2078630464 is the 45592-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078630464

2078630464 is an abundant number, since it is smaller than the sum of its proper divisors (2179845017).

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

2078630464 is an frugal number, since it uses more digits than its factorization.

2078630464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The cubic root of 2078630464 is about 1276.2206357793.

The spelling of 2078630464 in words is "two billion, seventy-eight million, six hundred thirty thousand, four hundred sixty-four".