1492187648 has 160 divisors (see below), whose sum is σ = 3800649600. Its totient is φ = 569769984.

The previous prime is 1492187647. The next prime is 1492187651. The reversal of 1492187648 is 8467812941.

It is a junction number, because it is equal to n+sod(n) for n = 1492187596 and 1492187605.

It is not an unprimeable number, because it can be changed into a prime (1492187647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1156988 + ... + 1158276.

It is an arithmetic number, because the mean of its divisors is an integer number (23754060).

Almost surely, 2^1492187648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1492187648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900324800).

1492187648 is an abundant number, since it is smaller than the sum of its proper divisors (2308461952).

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

1492187648 is a wasteful number, since it uses less digits than its factorization.

1492187648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1334 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 1492187648 is about 38628.8447665731. The cubic root of 1492187648 is about 1142.7234689369.

The spelling of 1492187648 in words is "one billion, four hundred ninety-two million, one hundred eighty-seven thousand, six hundred forty-eight".