1061744880 has 80 divisors (see below), whose sum is σ = 3761616384. Its totient is φ = 242684160.

The previous prime is 1061744869. The next prime is 1061744891. The reversal of 1061744880 is 884471601.

It is an interprime number because it is at equal distance from previous prime (1061744869) and next prime (1061744891).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1061744880² = 2254604380412428800, 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 15 ways as a sum of consecutive naturals, for example, 314316 + ... + 317675.

Almost surely, 2^1061744880 is an apocalyptic number.

1061744880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061744880 is an abundant number, since it is smaller than the sum of its proper divisors (2699871504).

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

1061744880 is a wasteful number, since it uses less digits than its factorization.

1061744880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632014 (or 632008 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1061744880 is about 32584.4269552190. The cubic root of 1061744880 is about 1020.1719817657.

The spelling of 1061744880 in words is "one billion, sixty-one million, seven hundred forty-four thousand, eight hundred eighty".