2664252443140 has 24 divisors (see below), whose sum is σ = 5606610589440. Its totient is φ = 1063476127968.

The previous prime is 2664252443123. The next prime is 2664252443141. The reversal of 2664252443140 is 413442524662.

It is not an unprimeable number, because it can be changed into a prime (2664252443141) 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, 139043262 + ... + 139062421.

It is an arithmetic number, because the mean of its divisors is an integer number (233608774560).

Almost surely, 2^{2664252443140} is an apocalyptic number.

2664252443140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664252443140 is an abundant number, since it is smaller than the sum of its proper divisors (2942358146300).

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

2664252443140 is a wasteful number, since it uses less digits than its factorization.

2664252443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278106171 (or 278106169 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 2664252443140 in words is "two trillion, six hundred sixty-four billion, two hundred fifty-two million, four hundred forty-three thousand, one hundred forty".