54421178940 has 192 divisors, whose sum is σ = 180685209600. Its totient is φ = 13550810112.

The previous prime is 54421178927. The next prime is 54421179011. The reversal of 54421178940 is 4987112445.

54421178940 is a `hidden beast` number, since 5 + 442 + 117 + 8 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1142521 + ... + 1189199.

It is an arithmetic number, because the mean of its divisors is an integer number (941068800).

Almost surely, 2^54421178940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54421178940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90342604800).

54421178940 is an abundant number, since it is smaller than the sum of its proper divisors (126264030660).

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

54421178940 is a wasteful number, since it uses less digits than its factorization.

54421178940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46841 (or 46833 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 54421178940 in words is "fifty-four billion, four hundred twenty-one million, one hundred seventy-eight thousand, nine hundred forty".