4455691442 has 16 divisors (see below), whose sum is σ = 7012241664. Its totient is φ = 2120634000.

The previous prime is 4455691421. The next prime is 4455691447. The reversal of 4455691442 is 2441965544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4455691393 and 4455691402.

It is not an unprimeable number, because it can be changed into a prime (4455691447) 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, 585284 + ... + 592847.

It is an arithmetic number, because the mean of its divisors is an integer number (438265104).

Almost surely, 2^4455691442 is an apocalyptic number.

4455691442 is a deficient number, since it is larger than the sum of its proper divisors (2556550222).

4455691442 is a wasteful number, since it uses less digits than its factorization.

4455691442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178225.

The product of its digits is 691200, while the sum is 44.

The square root of 4455691442 is about 66750.9658506901. The cubic root of 4455691442 is about 1645.5270887248.

The spelling of 4455691442 in words is "four billion, four hundred fifty-five million, six hundred ninety-one thousand, four hundred forty-two".