1040221479 has 8 divisors (see below), whose sum is σ = 1513049472. Its totient is φ = 630437240.

The previous prime is 1040221463. The next prime is 1040221499. The reversal of 1040221479 is 9741220401.

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 1040221479 - 2⁴ = 1040221463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040221499) 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, 15760899 + ... + 15760964.

It is an arithmetic number, because the mean of its divisors is an integer number (189131184).

Almost surely, 2^1040221479 is an apocalyptic number.

1040221479 is a deficient number, since it is larger than the sum of its proper divisors (472827993).

1040221479 is a wasteful number, since it uses less digits than its factorization.

1040221479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31521877.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1040221479 is about 32252.4646965158. The cubic root of 1040221479 is about 1013.2313197191.

It can be divided in two parts, 104022 and 1479, that added together give a palindrome (105501).

The spelling of 1040221479 in words is "one billion, forty million, two hundred twenty-one thousand, four hundred seventy-nine".