1408484644 has 48 divisors (see below), whose sum is σ = 2985252480. Its totient is φ = 568592640.

The previous prime is 1408484641. The next prime is 1408484647. The reversal of 1408484644 is 4464848041.

It is an interprime number because it is at equal distance from previous prime (1408484641) and next prime (1408484647).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1408484644.

It is not an unprimeable number, because it can be changed into a prime (1408484641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12139 + ... + 54445.

It is an arithmetic number, because the mean of its divisors is an integer number (62192760).

Almost surely, 2^1408484644 is an apocalyptic number.

1408484644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408484644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492626240).

1408484644 is an abundant number, since it is smaller than the sum of its proper divisors (1576767836).

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

1408484644 is a wasteful number, since it uses less digits than its factorization.

1408484644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42388 (or 42386 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The square root of 1408484644 is about 37529.7834259672. The cubic root of 1408484644 is about 1120.9443151948.

The spelling of 1408484644 in words is "one billion, four hundred eight million, four hundred eighty-four thousand, six hundred forty-four".