1490227152 has 80 divisors (see below), whose sum is σ = 4101404160. Its totient is φ = 464904576.

The previous prime is 1490227139. The next prime is 1490227213. The reversal of 1490227152 is 2517220941.

It is a super-2 number, since 2×1490227152² = 4441553929116062208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65853 + ... + 85539.

It is an arithmetic number, because the mean of its divisors is an integer number (51267552).

Almost surely, 2^1490227152 is an apocalyptic number.

1490227152 is a gapful number since it is divisible by the number (12) 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 1490227152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050702080).

1490227152 is an abundant number, since it is smaller than the sum of its proper divisors (2611177008).

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

1490227152 is a wasteful number, since it uses less digits than its factorization.

1490227152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19800 (or 19794 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1490227152 is about 38603.4603630296. The cubic root of 1490227152 is about 1142.2227976253. Note that the first 3 decimals are identical.

The spelling of 1490227152 in words is "one billion, four hundred ninety million, two hundred twenty-seven thousand, one hundred fifty-two".