1040001525550 has 48 divisors (see below), whose sum is σ = 2083543832160. Its totient is φ = 383937747840.

The previous prime is 1040001525539. The next prime is 1040001525601. The reversal of 1040001525550 is 555251000401.

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 23 ways as a sum of consecutive naturals, for example, 3943216 + ... + 4198684.

It is an arithmetic number, because the mean of its divisors is an integer number (43407163170).

Almost surely, 2^{1040001525550} is an apocalyptic number.

1040001525550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040001525550 is an abundant number, since it is smaller than the sum of its proper divisors (1043542306610).

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

1040001525550 is a wasteful number, since it uses less digits than its factorization.

1040001525550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261757 (or 261752 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 1040001525550 its reverse (555251000401), we get a palindrome (1595252525951).

The spelling of 1040001525550 in words is "one trillion, forty billion, one million, five hundred twenty-five thousand, five hundred fifty".