2264355401644 has 24 divisors (see below), whose sum is σ = 4528808151840. Its totient is φ = 970417168896.

The previous prime is 2264355401587. The next prime is 2264355401681. The reversal of 2264355401644 is 4461045534622.

It is a junction number, because it is equal to n+sod(n) for n = 2264355401594 and 2264355401603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494172 + ... + 2184700.

It is an arithmetic number, because the mean of its divisors is an integer number (188700339660).

Almost surely, 2^{2264355401644} is an apocalyptic number.

It is an amenable number.

2264355401644 is an abundant number, since it is smaller than the sum of its proper divisors (2264452750196).

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

2264355401644 is a wasteful number, since it uses less digits than its factorization.

2264355401644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738377 (or 1738375 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 2264355401644 in words is "two trillion, two hundred sixty-four billion, three hundred fifty-five million, four hundred one thousand, six hundred forty-four".