1490886544 has 75 divisors (see below), whose sum is σ = 3387016817. Its totient is φ = 635707968.

The previous prime is 1490886511. The next prime is 1490886557. The reversal of 1490886544 is 4456880941.

It is a happy number.

The square root of 1490886544 is 38612.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1460768400 + 30118144 = 38220^2 + 5488^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7567854 + ... + 7568050.

Almost surely, 2^1490886544 is an apocalyptic number.

1490886544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1490886544 is the 38612-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490886544

1490886544 is an abundant number, since it is smaller than the sum of its proper divisors (1896130273).

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

1490886544 is an frugal number, since it uses more digits than its factorization.

1490886544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The cubic root of 1490886544 is about 1142.3912420833.

Multiplying 1490886544 by its sum of digits (49), we get a square (73053440656 = 270284²).

1490886544 divided by its sum of digits (49) gives a square (30426256 = 5516²).

The spelling of 1490886544 in words is "one billion, four hundred ninety million, eight hundred eighty-six thousand, five hundred forty-four".