1018850474 has 8 divisors (see below), whose sum is σ = 1536194820. Its totient is φ = 506785536.

The previous prime is 1018850453. The next prime is 1018850479. The reversal of 1018850474 is 4740588101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 780364225 + 238486249 = 27935^2 + 15443^2 .

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

It is a super-3 number, since 3×1018850474³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1018850479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319369 + ... + 1320140.

Almost surely, 2^1018850474 is an apocalyptic number.

1018850474 is a deficient number, since it is larger than the sum of its proper divisors (517344346).

1018850474 is a wasteful number, since it uses less digits than its factorization.

1018850474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639704.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1018850474 is about 31919.4372444127. The cubic root of 1018850474 is about 1006.2444174221.

The spelling of 1018850474 in words is "one billion, eighteen million, eight hundred fifty thousand, four hundred seventy-four".