1612454444 has 6 divisors (see below), whose sum is σ = 2821795284. Its totient is φ = 806227220.

The previous prime is 1612454443. The next prime is 1612454447. The reversal of 1612454444 is 4444542161.

It is not an unprimeable number, because it can be changed into a prime (1612454443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201556802 + ... + 201556809.

It is an arithmetic number, because the mean of its divisors is an integer number (470299214).

Almost surely, 2^1612454444 is an apocalyptic number.

It is an amenable number.

1612454444 is a deficient number, since it is larger than the sum of its proper divisors (1209340840).

1612454444 is a wasteful number, since it uses less digits than its factorization.

1612454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403113615 (or 403113613 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 1612454444 is about 40155.3787679808. The cubic root of 1612454444 is about 1172.6340062300.

The spelling of 1612454444 in words is "one billion, six hundred twelve million, four hundred fifty-four thousand, four hundred forty-four".