1103996880 has 240 divisors, whose sum is σ = 4256763264. Its totient is φ = 251182080.

The previous prime is 1103996879. The next prime is 1103996891. The reversal of 1103996880 is 886993011.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1103996880² = 2437618222099468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1597335 + ... + 1598025.

Almost surely, 2^1103996880 is an apocalyptic number.

1103996880 is a gapful number since it is divisible by the number (10) 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 1103996880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128381632).

1103996880 is an abundant number, since it is smaller than the sum of its proper divisors (3152766384).

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

1103996880 is a wasteful number, since it uses less digits than its factorization.

1103996880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1103996880 is about 33226.4485011564. The cubic root of 1103996880 is about 1033.5288768567.

The spelling of 1103996880 in words is "one billion, one hundred three million, nine hundred ninety-six thousand, eight hundred eighty".