1944964260 has 144 divisors (see below), whose sum is σ = 6312720960. Its totient is φ = 483252480.

The previous prime is 1944964247. The next prime is 1944964277. The reversal of 1944964260 is 624694491.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203959 + ... + 213281.

It is an arithmetic number, because the mean of its divisors is an integer number (43838340).

Almost surely, 2^1944964260 is an apocalyptic number.

1944964260 is a gapful number since it is divisible by the number (10) 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 1944964260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156360480).

1944964260 is an abundant number, since it is smaller than the sum of its proper divisors (4367756700).

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

1944964260 is a wasteful number, since it uses less digits than its factorization.

1944964260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418 (or 9413 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1944964260 is about 44101.7489449115. The cubic root of 1944964260 is about 1248.2566117417.

The spelling of 1944964260 in words is "one billion, nine hundred forty-four million, nine hundred sixty-four thousand, two hundred sixty".