1550374140400 has 60 divisors (see below), whose sum is σ = 3730276405512. Its totient is φ = 619233521920.

The previous prime is 1550374140389. The next prime is 1550374140409. The reversal of 1550374140400 is 40414730551.

It is a super-3 number, since 3×1550374140400³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550374140409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2591782 + ... + 3133381.

Almost surely, 2^{1550374140400} is an apocalyptic number.

1550374140400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550374140400 is an abundant number, since it is smaller than the sum of its proper divisors (2179902265112).

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

1550374140400 is a wasteful number, since it uses less digits than its factorization.

1550374140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725858 (or 5725847 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 1550374140400 its reverse (40414730551), we get a palindrome (1590788870951).

The spelling of 1550374140400 in words is "one trillion, five hundred fifty billion, three hundred seventy-four million, one hundred forty thousand, four hundred".