1024201555040 has 48 divisors (see below), whose sum is σ = 2497730256000. Its totient is φ = 396465116160.

The previous prime is 1024201555021. The next prime is 1024201555067. The reversal of 1024201555040 is 405551024201.

It is a junction number, because it is equal to n+sod(n) for n = 1024201554994 and 1024201555012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103241165 + ... + 103251084.

It is an arithmetic number, because the mean of its divisors is an integer number (52036047000).

Almost surely, 2^{1024201555040} is an apocalyptic number.

1024201555040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024201555040 is an abundant number, since it is smaller than the sum of its proper divisors (1473528700960).

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

1024201555040 is a wasteful number, since it uses less digits than its factorization.

1024201555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206492295 (or 206492287 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 1024201555040 its reverse (405551024201), we get a palindrome (1429752579241).

The spelling of 1024201555040 in words is "one trillion, twenty-four billion, two hundred one million, five hundred fifty-five thousand, forty".