3964048650 has 72 divisors (see below), whose sum is σ = 10937963244. Its totient is φ = 1028505600.

The previous prime is 3964048631. The next prime is 3964048681. The reversal of 3964048650 is 568404693.

It can be written as a sum of positive squares in 6 ways, for example, as 1699335729 + 2264712921 = 41223^2 + 47589^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3964048596 and 3964048605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102391 + ... + 135690.

Almost surely, 2^3964048650 is an apocalyptic number.

3964048650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3964048650 is an abundant number, since it is smaller than the sum of its proper divisors (6973914594).

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

3964048650 is a wasteful number, since it uses less digits than its factorization.

3964048650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238136 (or 238128 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 3964048650 is about 62960.6913081488. The cubic root of 3964048650 is about 1582.6309648057.

The spelling of 3964048650 in words is "three billion, nine hundred sixty-four million, forty-eight thousand, six hundred fifty".