4445551477608 has 64 divisors (see below), whose sum is σ = 11276114794560. Its totient is φ = 1460308962816.

The previous prime is 4445551477607. The next prime is 4445551477643. The reversal of 4445551477608 is 8067741555444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4445551477607) 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, 2019885 + ... + 3601532.

It is an arithmetic number, because the mean of its divisors is an integer number (176189293665).

Almost surely, 2^{4445551477608} is an apocalyptic number.

It is an amenable number.

4445551477608 is an abundant number, since it is smaller than the sum of its proper divisors (6830563316952).

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

4445551477608 is a wasteful number, since it uses less digits than its factorization.

4445551477608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621906 (or 5621902 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 60.

The spelling of 4445551477608 in words is "four trillion, four hundred forty-five billion, five hundred fifty-one million, four hundred seventy-seven thousand, six hundred eight".