1100470640 has 20 divisors (see below), whose sum is σ = 2558594424. Its totient is φ = 440188224.

The previous prime is 1100470603. The next prime is 1100470667. The reversal of 1100470640 is 460740011.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1100470640² = 2422071259004019200, 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 3 ways as a sum of consecutive naturals, for example, 6877862 + ... + 6878021.

Almost surely, 2^1100470640 is an apocalyptic number.

1100470640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100470640 is an abundant number, since it is smaller than the sum of its proper divisors (1458123784).

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

1100470640 is a wasteful number, since it uses less digits than its factorization.

1100470640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755896 (or 13755890 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1100470640 is about 33173.3423097523. The cubic root of 1100470640 is about 1032.4273163780.

The spelling of 1100470640 in words is "one billion, one hundred million, four hundred seventy thousand, six hundred forty".