450118655 has 24 divisors (see below), whose sum is σ = 629928432. Its totient is φ = 307867392.

The previous prime is 450118651. The next prime is 450118681. The reversal of 450118655 is 556811054.

It is a happy number.

It is a Cunningham number, because it is equal to 21216²-1.

It is not a de Polignac number, because 450118655 - 2² = 450118651 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450118651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103964 + ... + 108206.

It is an arithmetic number, because the mean of its divisors is an integer number (26247018).

Almost surely, 2^450118655 is an apocalyptic number.

450118655 is a deficient number, since it is larger than the sum of its proper divisors (179809777).

450118655 is a wasteful number, since it uses less digits than its factorization.

450118655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 450118655 is about 21215.9999764329. Note that the first 4 decimals coincide. The cubic root of 450118655 is about 766.3767793973.

The spelling of 450118655 in words is "four hundred fifty million, one hundred eighteen thousand, six hundred fifty-five".