1029545944 has 64 divisors (see below), whose sum is σ = 2242598400. Its totient is φ = 433999104.

The previous prime is 1029545927. The next prime is 1029545953. The reversal of 1029545944 is 4495459201.

It is a super-2 number, since 2×1029545944² = 2119929701613702272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1029545944.

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, 1668324 + ... + 1668940.

It is an arithmetic number, because the mean of its divisors is an integer number (35040600).

Almost surely, 2^1029545944 is an apocalyptic number.

1029545944 is a gapful number since it is divisible by the number (14) 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 1029545944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121299200).

1029545944 is an abundant number, since it is smaller than the sum of its proper divisors (1213052456).

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

1029545944 is a wasteful number, since it uses less digits than its factorization.

1029545944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 1029545944 is about 32086.5383611258. The cubic root of 1029545944 is about 1009.7532135664.

The spelling of 1029545944 in words is "one billion, twenty-nine million, five hundred forty-five thousand, nine hundred forty-four".