2664403213400 has 96 divisors (see below), whose sum is σ = 6234029568000. Its totient is φ = 1059020565120.

The previous prime is 2664403213399. The next prime is 2664403213403. The reversal of 2664403213400 is 43123044662.

2664403213400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664403213403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22262921 + ... + 22382279.

It is an arithmetic number, because the mean of its divisors is an integer number (64937808000).

Almost surely, 2^{2664403213400} is an apocalyptic number.

2664403213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664403213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3117014784000).

2664403213400 is an abundant number, since it is smaller than the sum of its proper divisors (3569626354600).

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

2664403213400 is a wasteful number, since it uses less digits than its factorization.

2664403213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120081 (or 120072 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 2664403213400 in words is "two trillion, six hundred sixty-four billion, four hundred three million, two hundred thirteen thousand, four hundred".