1254404540000 has 60 divisors (see below), whose sum is σ = 3086023378284. Its totient is φ = 501761808000.

The previous prime is 1254404539991. The next prime is 1254404540023. The reversal of 1254404540000 is 454044521.

It is a super-2 number, since 2×1254404540000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31340114 + ... + 31380113.

Almost surely, 2^{1254404540000} is an apocalyptic number.

1254404540000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254404540000 is an abundant number, since it is smaller than the sum of its proper divisors (1831618838284).

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

1254404540000 is an frugal number, since it uses more digits than its factorization.

1254404540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62720257 (or 62720234 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 1254404540000 its reverse (454044521), we get a palindrome (1254858584521).

The spelling of 1254404540000 in words is "one trillion, two hundred fifty-four billion, four hundred four million, five hundred forty thousand".