1040421633 has 8 divisors (see below), whose sum is σ = 1387401696. Its totient is φ = 693528000.

The previous prime is 1040421587. The next prime is 1040421637. The reversal of 1040421633 is 3361240401.

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

It is not a de Polignac number, because 1040421633 - 2¹⁸ = 1040159489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040421637) 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, 15673 + ... + 48233.

It is an arithmetic number, because the mean of its divisors is an integer number (173425212).

Almost surely, 2^1040421633 is an apocalyptic number.

It is an amenable number.

1040421633 is a deficient number, since it is larger than the sum of its proper divisors (346980063).

1040421633 is a wasteful number, since it uses less digits than its factorization.

1040421633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43215.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1040421633 is about 32255.5674729185. The cubic root of 1040421633 is about 1013.2963024494.

The spelling of 1040421633 in words is "one billion, forty million, four hundred twenty-one thousand, six hundred thirty-three".