455642616 has 64 divisors (see below), whose sum is σ = 1338261120. Its totient is φ = 127451520.

The previous prime is 455642597. The next prime is 455642617. The reversal of 455642616 is 616246554.

It is a super-2 number, since 2×455642616² = 415220387030646912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455642617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62950 + ... + 69813.

It is an arithmetic number, because the mean of its divisors is an integer number (20910330).

Almost surely, 2^455642616 is an apocalyptic number.

It is an amenable number.

455642616 is an abundant number, since it is smaller than the sum of its proper divisors (882618504).

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

455642616 is a wasteful number, since it uses less digits than its factorization.

455642616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132796 (or 132792 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 455642616 is about 21345.7868442463. The cubic root of 455642616 is about 769.4990928928.

The spelling of 455642616 in words is "four hundred fifty-five million, six hundred forty-two thousand, six hundred sixteen".