2664622466044 has 48 divisors (see below), whose sum is σ = 5865170685696. Its totient is φ = 1028977286400.

The previous prime is 2664622466029. The next prime is 2664622466069. The reversal of 2664622466044 is 4406642264662.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2664622465982 and 2664622466000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38245602 + ... + 38315209.

It is an arithmetic number, because the mean of its divisors is an integer number (122191055952).

Almost surely, 2^{2664622466044} is an apocalyptic number.

It is an amenable number.

2664622466044 is an abundant number, since it is smaller than the sum of its proper divisors (3200548219652).

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

2664622466044 is a wasteful number, since it uses less digits than its factorization.

2664622466044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76560946 (or 76560944 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 52.

The spelling of 2664622466044 in words is "two trillion, six hundred sixty-four billion, six hundred twenty-two million, four hundred sixty-six thousand, forty-four".