1260944344 has 64 divisors (see below), whose sum is σ = 2670382080. Its totient is φ = 553008000.

The previous prime is 1260944327. The next prime is 1260944353. The reversal of 1260944344 is 4434490621.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1535454 + ... + 1536274.

It is an arithmetic number, because the mean of its divisors is an integer number (41724720).

Almost surely, 2^1260944344 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 1260944344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335191040).

1260944344 is an abundant number, since it is smaller than the sum of its proper divisors (1409437736).

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

1260944344 is a wasteful number, since it uses less digits than its factorization.

1260944344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1260944344 is about 35509.7781463078. The cubic root of 1260944344 is about 1080.3520640036.

It can be divided in two parts, 12609 and 44344, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 1260944344 in words is "one billion, two hundred sixty million, nine hundred forty-four thousand, three hundred forty-four".