4396961440 has 48 divisors (see below), whose sum is σ = 10746033480. Its totient is φ = 1698135040.

The previous prime is 4396961423. The next prime is 4396961449. The reversal of 4396961440 is 441696934.

It can be written as a sum of positive squares in 4 ways, for example, as 3698099344 + 698862096 = 60812^2 + 26436^2 .

It is not an unprimeable number, because it can be changed into a prime (4396961449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469171 + ... + 478450.

Almost surely, 2^4396961440 is an apocalyptic number.

4396961440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4396961440 is an abundant number, since it is smaller than the sum of its proper divisors (6349072040).

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

4396961440 is a wasteful number, since it uses less digits than its factorization.

4396961440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947665 (or 947657 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 4396961440 is about 66309.5878436897. The cubic root of 4396961440 is about 1638.2652487557.

The spelling of 4396961440 in words is "four billion, three hundred ninety-six million, nine hundred sixty-one thousand, four hundred forty".