1040398336 has 48 divisors (see below), whose sum is σ = 2109088800. Its totient is φ = 512999424.

The previous prime is 1040398319. The next prime is 1040398349. The reversal of 1040398336 is 6338930401.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1040398295 and 1040398304.

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, 146025 + ... + 152983.

It is an arithmetic number, because the mean of its divisors is an integer number (43939350).

Almost surely, 2^1040398336 is an apocalyptic number.

1040398336 is a gapful number since it is divisible by the number (16) 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 1040398336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054544400).

1040398336 is an abundant number, since it is smaller than the sum of its proper divisors (1068690464).

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

1040398336 is an frugal number, since it uses more digits than its factorization.

1040398336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7034 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1040398336 is about 32255.2063394423. The cubic root of 1040398336 is about 1013.2887391887.

The spelling of 1040398336 in words is "one billion, forty million, three hundred ninety-eight thousand, three hundred thirty-six".