56143742400 has 126 divisors (see below), whose sum is σ = 199548167832. Its totient is φ = 14971660800.

The previous prime is 56143742387. The next prime is 56143742407. The reversal of 56143742400 is 424734165.

56143742400 is a `hidden beast` number, since 5 + 614 + 37 + 4 + 2 + 4 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56143742407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1935036 + ... + 1963835.

Almost surely, 2^56143742400 is an apocalyptic number.

56143742400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56143742400 is an abundant number, since it is smaller than the sum of its proper divisors (143404425432).

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

56143742400 is a wasteful number, since it uses less digits than its factorization.

56143742400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898899 (or 3898881 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 56143742400 in words is "fifty-six billion, one hundred forty-three million, seven hundred forty-two thousand, four hundred".