1490887944 has 320 divisors, whose sum is σ = 5205594240. Its totient is φ = 388177920.

The previous prime is 1490887927. The next prime is 1490887973. The reversal of 1490887944 is 4497880941.

1490887944 = T₃₇₇ + T₃₇₈ + ... + T₂₀₇₉.

1490887944 is a `hidden beast` number, since 1 + 490 + 88 + 79 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7724712 + ... + 7724904.

It is an arithmetic number, because the mean of its divisors is an integer number (16267482).

Almost surely, 2^1490887944 is an apocalyptic number.

1490887944 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 1490887944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602797120).

1490887944 is an abundant number, since it is smaller than the sum of its proper divisors (3714706296).

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

1490887944 is a wasteful number, since it uses less digits than its factorization.

1490887944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 1490887944 is about 38612.0181290748. The cubic root of 1490887944 is about 1142.3915996664.

The spelling of 1490887944 in words is "one billion, four hundred ninety million, eight hundred eighty-seven thousand, nine hundred forty-four".