1540551045200 has 60 divisors (see below), whose sum is σ = 3702275071968. Its totient is φ = 616037078400.

The previous prime is 1540551045193. The next prime is 1540551045227. The reversal of 1540551045200 is 25401550451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777149 + ... + 1919651.

Almost surely, 2^{1540551045200} is an apocalyptic number.

1540551045200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540551045200 is an abundant number, since it is smaller than the sum of its proper divisors (2161724026768).

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

1540551045200 is a wasteful number, since it uses less digits than its factorization.

1540551045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145892 (or 1145881 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 1540551045200 its reverse (25401550451), we get a palindrome (1565952595651).

The spelling of 1540551045200 in words is "one trillion, five hundred forty billion, five hundred fifty-one million, forty-five thousand, two hundred".