1493944608 has 96 divisors (see below), whose sum is σ = 4231991232. Its totient is φ = 458726400.

The previous prime is 1493944607. The next prime is 1493944609. The reversal of 1493944608 is 8064493941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1493944607) and next prime (1493944609).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1493944601) 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, 824023 + ... + 825833.

It is an arithmetic number, because the mean of its divisors is an integer number (44083242).

Almost surely, 2^1493944608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493944608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2115995616).

1493944608 is an abundant number, since it is smaller than the sum of its proper divisors (2738046624).

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

1493944608 is a wasteful number, since it uses less digits than its factorization.

1493944608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 1493944608 is about 38651.5796313682. The cubic root of 1493944608 is about 1143.1717887700.

The spelling of 1493944608 in words is "one billion, four hundred ninety-three million, nine hundred forty-four thousand, six hundred eight".