1442656632 has 32 divisors (see below), whose sum is σ = 3607909200. Its totient is φ = 480716544.

The previous prime is 1442656609. The next prime is 1442656637. The reversal of 1442656632 is 2366562441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442656637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72468 + ... + 90204.

Almost surely, 2^1442656632 is an apocalyptic number.

1442656632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442656632 is an abundant number, since it is smaller than the sum of its proper divisors (2165252568).

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

1442656632 is a wasteful number, since it uses less digits than its factorization.

1442656632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135 (or 21131 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 1442656632 is about 37982.3199923333. The cubic root of 1442656632 is about 1129.9372487147.

The spelling of 1442656632 in words is "one billion, four hundred forty-two million, six hundred fifty-six thousand, six hundred thirty-two".