1490744864 has 96 divisors (see below), whose sum is σ = 3644928000. Its totient is φ = 585688320.

The previous prime is 1490744821. The next prime is 1490744867. The reversal of 1490744864 is 4684470941.

It is not an unprimeable number, because it can be changed into a prime (1490744867) 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, 126287 + ... + 137585.

It is an arithmetic number, because the mean of its divisors is an integer number (37968000).

Almost surely, 2^1490744864 is an apocalyptic number.

1490744864 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 1490744864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822464000).

1490744864 is an abundant number, since it is smaller than the sum of its proper divisors (2154183136).

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

1490744864 is a wasteful number, since it uses less digits than its factorization.

1490744864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 1490744864 is about 38610.1652936115. The cubic root of 1490744864 is about 1142.3550535217.

The spelling of 1490744864 in words is "one billion, four hundred ninety million, seven hundred forty-four thousand, eight hundred sixty-four".