1099470240 has 384 divisors, whose sum is σ = 4448183040. Its totient is φ = 250675200.

The previous prime is 1099470209. The next prime is 1099470269. The reversal of 1099470240 is 420749901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1099470195 and 1099470204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 807160 + ... + 808520.

It is an arithmetic number, because the mean of its divisors is an integer number (11583810).

Almost surely, 2^1099470240 is an apocalyptic number.

1099470240 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 1099470240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224091520).

1099470240 is an abundant number, since it is smaller than the sum of its proper divisors (3348712800).

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

1099470240 is a wasteful number, since it uses less digits than its factorization.

1099470240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1099470240 is about 33158.2605092607. The cubic root of 1099470240 is about 1032.1143734785.

The spelling of 1099470240 in words is "one billion, ninety-nine million, four hundred seventy thousand, two hundred forty".