1490409270 has 96 divisors (see below), whose sum is σ = 4462698240. Its totient is φ = 338045760.

The previous prime is 1490409251. The next prime is 1490409281. The reversal of 1490409270 is 729040941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73501 + ... + 91559.

It is an arithmetic number, because the mean of its divisors is an integer number (46486440).

Almost surely, 2^1490409270 is an apocalyptic number.

1490409270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490409270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231349120).

1490409270 is an abundant number, since it is smaller than the sum of its proper divisors (2972288970).

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

1490409270 is a wasteful number, since it uses less digits than its factorization.

1490409270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210 (or 18207 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1490409270 is about 38605.8191209564. The cubic root of 1490409270 is about 1142.2693253997.

The spelling of 1490409270 in words is "one billion, four hundred ninety million, four hundred nine thousand, two hundred seventy".