1040046221 has 8 divisors (see below), whose sum is σ = 1088083584. Its totient is φ = 993088480.

The previous prime is 1040046211. The next prime is 1040046229. The reversal of 1040046221 is 1226400401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040046221 - 2²² = 1035851917 is a prime.

It is a super-2 number, since 2×1040046221² = 2163392283632761682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040046193 and 1040046202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040046229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267935 + ... + 271788.

It is an arithmetic number, because the mean of its divisors is an integer number (136010448).

Almost surely, 2^1040046221 is an apocalyptic number.

It is an amenable number.

1040046221 is a deficient number, since it is larger than the sum of its proper divisors (48037363).

1040046221 is an equidigital number, since it uses as much as digits as its factorization.

1040046221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539811.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1040046221 is about 32249.7476114155. The cubic root of 1040046221 is about 1013.1744129699.

Adding to 1040046221 its reverse (1226400401), we get a palindrome (2266446622).

The spelling of 1040046221 in words is "one billion, forty million, forty-six thousand, two hundred twenty-one".