1492218450 has 90 divisors (see below), whose sum is σ = 4152998421. Its totient is φ = 397269360.

The previous prime is 1492218437. The next prime is 1492218451. The reversal of 1492218450 is 548122941.

It can be written as a sum of positive squares in 2 ways, for example, as 1462374081 + 29844369 = 38241^2 + 5463^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=27315.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1492218451) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2458047 + ... + 2458653.

Almost surely, 2^1492218450 is an apocalyptic number.

1492218450 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 1492218450

1492218450 is an abundant number, since it is smaller than the sum of its proper divisors (2660779971).

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

1492218450 is an frugal number, since it uses more digits than its factorization.

1492218450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1492218450 is about 38629.2434562211. The cubic root of 1492218450 is about 1142.7313316491.

The spelling of 1492218450 in words is "one billion, four hundred ninety-two million, two hundred eighteen thousand, four hundred fifty".