1040623164 has 72 divisors (see below), whose sum is σ = 3016261248. Its totient is φ = 296330400.

The previous prime is 1040623151. The next prime is 1040623183. The reversal of 1040623164 is 4613260401.

1040623164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 70639 + ... + 84089.

Almost surely, 2^1040623164 is an apocalyptic number.

1040623164 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 1040623164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508130624).

1040623164 is an abundant number, since it is smaller than the sum of its proper divisors (1975638084).

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

1040623164 is a wasteful number, since it uses less digits than its factorization.

1040623164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775 (or 13770 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1040623164 is about 32258.6912939753. The cubic root of 1040623164 is about 1013.3617238218.

Adding to 1040623164 its reverse (4613260401), we get a palindrome (5653883565).

The spelling of 1040623164 in words is "one billion, forty million, six hundred twenty-three thousand, one hundred sixty-four".