1040266368 has 128 divisors (see below), whose sum is σ = 3089049600. Its totient is φ = 344632320.

The previous prime is 1040266343. The next prime is 1040266387. The reversal of 1040266368 is 8636620401.

1040266368 is a `hidden beast` number, since 10 + 4 + 0 + 2 + 6 + 636 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1040266368² = 2164308232783822848, which contains 22 as substring.

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

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, 624705 + ... + 626367.

It is an arithmetic number, because the mean of its divisors is an integer number (24133200).

Almost surely, 2^1040266368 is an apocalyptic number.

1040266368 is a gapful number since it is divisible by the number (18) 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 1040266368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544524800).

1040266368 is an abundant number, since it is smaller than the sum of its proper divisors (2048783232).

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

1040266368 is a wasteful number, since it uses less digits than its factorization.

1040266368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1040266368 is about 32253.1605893128. The cubic root of 1040266368 is about 1013.2458942712.

Adding to 1040266368 its reverse (8636620401), we get a palindrome (9676886769).

The spelling of 1040266368 in words is "one billion, forty million, two hundred sixty-six thousand, three hundred sixty-eight".