5401236734856 has 96 divisors (see below), whose sum is σ = 15399475010400. Its totient is φ = 1705519411200.

The previous prime is 5401236734833. The next prime is 5401236734857. The reversal of 5401236734856 is 6584376321045.

5401236734856 is a `hidden beast` number, since 54 + 0 + 12 + 36 + 73 + 485 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5401236734857) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18000456 + ... + 18298056.

It is an arithmetic number, because the mean of its divisors is an integer number (160411198025).

Almost surely, 2^{5401236734856} is an apocalyptic number.

It is an amenable number.

5401236734856 is an abundant number, since it is smaller than the sum of its proper divisors (9998238275544).

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

5401236734856 is a wasteful number, since it uses less digits than its factorization.

5401236734856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310899 (or 310892 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 5401236734856 in words is "five trillion, four hundred one billion, two hundred thirty-six million, seven hundred thirty-four thousand, eight hundred fifty-six".