1067980032 has 144 divisors (see below), whose sum is σ = 3609540480. Its totient is φ = 305123328.

The previous prime is 1067980003. The next prime is 1067980033. The reversal of 1067980032 is 2300897601.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1067980032² = 2281162697501442048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067980033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37348 + ... + 59420.

Almost surely, 2^1067980032 is an apocalyptic number.

1067980032 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 1067980032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804770240).

1067980032 is an abundant number, since it is smaller than the sum of its proper divisors (2541560448).

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

1067980032 is an equidigital number, since it uses as much as digits as its factorization.

1067980032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105 (or 22085 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1067980032 is about 32679.9637698698. The cubic root of 1067980032 is about 1022.1650896305.

The spelling of 1067980032 in words is "one billion, sixty-seven million, nine hundred eighty thousand, thirty-two".