1069381632 has 96 divisors (see below), whose sum is σ = 3110365440. Its totient is φ = 324034560.

The previous prime is 1069381613. The next prime is 1069381727. The reversal of 1069381632 is 2361839601.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1069381632² = 2287154149717966848, which contains 22 as substring.

It is a congruent number.

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, 59673 + ... + 75495.

It is an arithmetic number, because the mean of its divisors is an integer number (32399640).

Almost surely, 2^1069381632 is an apocalyptic number.

1069381632 is a gapful number since it is divisible by the number (12) 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 1069381632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555182720).

1069381632 is an abundant number, since it is smaller than the sum of its proper divisors (2040983808).

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

1069381632 is a wasteful number, since it uses less digits than its factorization.

1069381632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859 (or 15839 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1069381632 is about 32701.4010709021. The cubic root of 1069381632 is about 1022.6120518917.

The spelling of 1069381632 in words is "one billion, sixty-nine million, three hundred eighty-one thousand, six hundred thirty-two".