1104494640 has 80 divisors (see below), whose sum is σ = 3433896288. Its totient is φ = 293675008.

The previous prime is 1104494621. The next prime is 1104494663. The reversal of 1104494640 is 464944011.

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

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, 78202 + ... + 91238.

Almost surely, 2^1104494640 is an apocalyptic number.

1104494640 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 1104494640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716948144).

1104494640 is an abundant number, since it is smaller than the sum of its proper divisors (2329401648).

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

1104494640 is a wasteful number, since it uses less digits than its factorization.

1104494640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406 (or 13400 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1104494640 is about 33233.9380754072. The cubic root of 1104494640 is about 1033.6841828622.

The spelling of 1104494640 in words is "one billion, one hundred four million, four hundred ninety-four thousand, six hundred forty".