4441151640 has 64 divisors (see below), whose sum is σ = 13782895200. Its totient is φ = 1143468032.

The previous prime is 4441151629. The next prime is 4441151641. The reversal of 4441151640 is 461511444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4441151598 and 4441151607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441151641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634617 + ... + 641576.

Almost surely, 2^4441151640 is an apocalyptic number.

4441151640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4441151640 is an abundant number, since it is smaller than the sum of its proper divisors (9341743560).

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

4441151640 is a wasteful number, since it uses less digits than its factorization.

4441151640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276236 (or 1276232 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4441151640 is about 66641.9660574326. The cubic root of 4441151640 is about 1643.7352448665.

The spelling of 4441151640 in words is "four billion, four hundred forty-one million, one hundred fifty-one thousand, six hundred forty".