1402633648 has 20 divisors (see below), whose sum is σ = 2926649488. Its totient is φ = 647369280.

The previous prime is 1402633621. The next prime is 1402633669. The reversal of 1402633648 is 8463362041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371508 + ... + 3371923.

Almost surely, 2^1402633648 is an apocalyptic number.

It is an amenable number.

1402633648 is an abundant number, since it is smaller than the sum of its proper divisors (1524015840).

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

1402633648 is a wasteful number, since it uses less digits than its factorization.

1402633648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743452 (or 6743446 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1402633648 is about 37451.7509337014. The cubic root of 1402633648 is about 1119.3899866912.

Adding to 1402633648 its reverse (8463362041), we get a palindrome (9865995689).

It can be divided in two parts, 14026 and 33648, that added together give a palindrome (47674).

The spelling of 1402633648 in words is "one billion, four hundred two million, six hundred thirty-three thousand, six hundred forty-eight".