1040256466 has 8 divisors (see below), whose sum is σ = 1628227584. Its totient is φ = 497513940.

The previous prime is 1040256457. The next prime is 1040256467. The reversal of 1040256466 is 6646520401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1040256466³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040256467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11307090 + ... + 11307181.

It is an arithmetic number, because the mean of its divisors is an integer number (203528448).

Almost surely, 2^1040256466 is an apocalyptic number.

1040256466 is a deficient number, since it is larger than the sum of its proper divisors (587971118).

1040256466 is a wasteful number, since it uses less digits than its factorization.

1040256466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22614296.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1040256466 is about 32253.0070846115. The cubic root of 1040256466 is about 1013.2426793277.

Adding to 1040256466 its reverse (6646520401), we get a palindrome (7686776867).

The spelling of 1040256466 in words is "one billion, forty million, two hundred fifty-six thousand, four hundred sixty-six".