1550210040000 has 210 divisors, whose sum is σ = 5552470406340. Its totient is φ = 413389248000.

The previous prime is 1550210039981. The next prime is 1550210040037. The reversal of 1550210040000 is 400120551.

1550210040000 is a `hidden beast` number, since 1 + 5 + 50 + 210 + 0 + 400 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 1793070 + ... + 2513069.

Almost surely, 2^{1550210040000} is an apocalyptic number.

1550210040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550210040000 is an abundant number, since it is smaller than the sum of its proper divisors (4002260366340).

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

1550210040000 is an equidigital number, since it uses as much as digits as its factorization.

1550210040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306177 (or 4306149 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 1550210040000 its reverse (400120551), we get a palindrome (1550610160551).

The spelling of 1550210040000 in words is "one trillion, five hundred fifty billion, two hundred ten million, forty thousand".