2664226044040 has 64 divisors (see below), whose sum is σ = 6540088728960. Its totient is φ = 968716907520.

The previous prime is 2664226043981. The next prime is 2664226044041. The reversal of 2664226044040 is 404406224662.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2664226043984 and 2664226044002.

It is not an unprimeable number, because it can be changed into a prime (2664226044041) 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, 4407792 + ... + 4975648.

It is an arithmetic number, because the mean of its divisors is an integer number (102188886390).

Almost surely, 2^{2664226044040} is an apocalyptic number.

2664226044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664226044040 is an abundant number, since it is smaller than the sum of its proper divisors (3875862684920).

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

2664226044040 is a wasteful number, since it uses less digits than its factorization.

2664226044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578542 (or 578538 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 2664226044040 in words is "two trillion, six hundred sixty-four billion, two hundred twenty-six million, forty-four thousand, forty".