1955593344 has 64 divisors (see below), whose sum is σ = 5221657440. Its totient is φ = 648462336.

The previous prime is 1955593309. The next prime is 1955593349. The reversal of 1955593344 is 4433955591.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1955593293 and 1955593302.

It is not an unprimeable number, because it can be changed into a prime (1955593349) 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, 60919 + ... + 87305.

Almost surely, 2^1955593344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955593344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2610828720).

1955593344 is an abundant number, since it is smaller than the sum of its proper divisors (3266064096).

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

1955593344 is a wasteful number, since it uses less digits than its factorization.

1955593344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597 (or 26585 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 48.

The square root of 1955593344 is about 44222.0911310173. The cubic root of 1955593344 is about 1250.5263583797.

The spelling of 1955593344 in words is "one billion, nine hundred fifty-five million, five hundred ninety-three thousand, three hundred forty-four".