1071446628 has 96 divisors (see below), whose sum is σ = 2989486080. Its totient is φ = 292026240.

The previous prime is 1071446617. The next prime is 1071446653. The reversal of 1071446628 is 8266441701.

It is a super-2 number, since 2×1071446628² = 2295995753305140768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276633 + ... + 1277471.

It is an arithmetic number, because the mean of its divisors is an integer number (31140480).

Almost surely, 2^1071446628 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 1071446628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494743040).

1071446628 is an abundant number, since it is smaller than the sum of its proper divisors (1918039452).

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

1071446628 is a wasteful number, since it uses less digits than its factorization.

1071446628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1071446628 is about 32732.9593529213. The cubic root of 1071446628 is about 1023.2698563500.

The spelling of 1071446628 in words is "one billion, seventy-one million, four hundred forty-six thousand, six hundred twenty-eight".