1004020142240 has 48 divisors (see below), whose sum is σ = 2436105643272. Its totient is φ = 390753782784.

The previous prime is 1004020142231. The next prime is 1004020142243. The reversal of 1004020142240 is 422410204001.

It can be written as a sum of positive squares in 4 ways, for example, as 827757875344 + 176262266896 = 909812^2 + 419836^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1004020142243) 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, 84793079 + ... + 84804918.

Almost surely, 2^{1004020142240} is an apocalyptic number.

1004020142240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004020142240 is an abundant number, since it is smaller than the sum of its proper divisors (1432085501032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004020142240 is a wasteful number, since it uses less digits than its factorization.

1004020142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169598049 (or 169598041 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1004020142240 its reverse (422410204001), we get a palindrome (1426430346241).

The spelling of 1004020142240 in words is "one trillion, four billion, twenty million, one hundred forty-two thousand, two hundred forty".