1441657340 has 24 divisors (see below), whose sum is σ = 3035279520. Its totient is φ = 575177408.

The previous prime is 1441657297. The next prime is 1441657351. The reversal of 1441657340 is 437561441.

It is a self number, because there is not a number n which added to its sum of digits gives 1441657340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84872 + ... + 100431.

It is an arithmetic number, because the mean of its divisors is an integer number (126469980).

Almost surely, 2^1441657340 is an apocalyptic number.

1441657340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441657340 is an abundant number, since it is smaller than the sum of its proper divisors (1593622180).

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

1441657340 is a wasteful number, since it uses less digits than its factorization.

1441657340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185701 (or 185699 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1441657340 is about 37969.1630142146. The cubic root of 1441657340 is about 1129.6762954066.

The spelling of 1441657340 in words is "one billion, four hundred forty-one million, six hundred fifty-seven thousand, three hundred forty".