1490001408 has 180 divisors, whose sum is σ = 5003083800. Its totient is φ = 425650176.

The previous prime is 1490001361. The next prime is 1490001427. The reversal of 1490001408 is 8041000941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 222493 + ... + 229091.

It is an arithmetic number, because the mean of its divisors is an integer number (27794910).

Almost surely, 2^1490001408 is an apocalyptic number.

1490001408 is a gapful number since it is divisible by the number (18) 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 1490001408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501541900).

1490001408 is an abundant number, since it is smaller than the sum of its proper divisors (3513082392).

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

1490001408 is an equidigital number, since it uses as much as digits as its factorization.

1490001408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1490001408 is about 38600.5363693304. The cubic root of 1490001408 is about 1142.1651189544.

The spelling of 1490001408 in words is "one billion, four hundred ninety million, one thousand, four hundred eight".