1019440475 has 12 divisors (see below), whose sum is σ = 1270661976. Its totient is φ = 811322880.

The previous prime is 1019440469. The next prime is 1019440493. The reversal of 1019440475 is 5740449101.

It is not a de Polignac number, because 1019440475 - 2¹⁰ = 1019439451 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100817 + ... + 110466.

It is an arithmetic number, because the mean of its divisors is an integer number (105888498).

Almost surely, 2^1019440475 is an apocalyptic number.

1019440475 is a deficient number, since it is larger than the sum of its proper divisors (251221501).

1019440475 is a wasteful number, since it uses less digits than its factorization.

1019440475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211486 (or 211481 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1019440475 is about 31928.6779400588. The cubic root of 1019440475 is about 1006.4386136155.

Adding to 1019440475 its reverse (5740449101), we get a palindrome (6759889576).

The spelling of 1019440475 in words is "one billion, nineteen million, four hundred forty thousand, four hundred seventy-five".