1118426904 has 96 divisors (see below), whose sum is σ = 3542373120. Its totient is φ = 312113088.

The previous prime is 1118426893. The next prime is 1118426921. The reversal of 1118426904 is 4096248111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4132 + ... + 47475.

It is an arithmetic number, because the mean of its divisors is an integer number (36899720).

Almost surely, 2^1118426904 is an apocalyptic number.

1118426904 is a gapful number since it is divisible by the number (14) 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 1118426904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771186560).

1118426904 is an abundant number, since it is smaller than the sum of its proper divisors (2423946216).

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

1118426904 is a wasteful number, since it uses less digits than its factorization.

1118426904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51669 (or 51662 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1118426904 is about 33442.8901861068. The cubic root of 1118426904 is about 1038.0123847186.

The spelling of 1118426904 in words is "one billion, one hundred eighteen million, four hundred twenty-six thousand, nine hundred four".