1040253220512 has 120 divisors (see below), whose sum is σ = 3337479173952. Its totient is φ = 315228240000.

The previous prime is 1040253220511. The next prime is 1040253220543. The reversal of 1040253220512 is 2150223520401.

1040253220512 is a `hidden beast` number, since 1 + 0 + 402 + 53 + 2 + 205 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1040253220511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18213864 + ... + 18270887.

Almost surely, 2^{1040253220512} is an apocalyptic number.

1040253220512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040253220512 is an abundant number, since it is smaller than the sum of its proper divisors (2297225953440).

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

1040253220512 is a wasteful number, since it uses less digits than its factorization.

1040253220512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36484784 (or 36484767 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1040253220512 its reverse (2150223520401), we get a palindrome (3190476740913).

The spelling of 1040253220512 in words is "one trillion, forty billion, two hundred fifty-three million, two hundred twenty thousand, five hundred twelve".