632216455 has 16 divisors (see below), whose sum is σ = 824662944. Its totient is φ = 462499200.

The previous prime is 632216413. The next prime is 632216461. The reversal of 632216455 is 554612236.

It is a de Polignac number, because none of the positive numbers 2^k-632216455 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632216455.

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, 38496 + ... + 52405.

It is an arithmetic number, because the mean of its divisors is an integer number (51541434).

Almost surely, 2^632216455 is an apocalyptic number.

632216455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

632216455 is a deficient number, since it is larger than the sum of its proper divisors (192446489).

632216455 is a wasteful number, since it uses less digits than its factorization.

632216455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91026.

The product of its digits is 43200, while the sum is 34.

The square root of 632216455 is about 25143.9148702027. The cubic root of 632216455 is about 858.2660461491.

The spelling of 632216455 in words is "six hundred thirty-two million, two hundred sixteen thousand, four hundred fifty-five".