54198010840 has 64 divisors (see below), whose sum is σ = 123485544000. Its totient is φ = 21406643712.

The previous prime is 54198010807. The next prime is 54198010859. The reversal of 54198010840 is 4801089145.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 54198010793 and 54198010802.

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 15 ways as a sum of consecutive naturals, for example, 1419034 + ... + 1456726.

It is an arithmetic number, because the mean of its divisors is an integer number (1929461625).

Almost surely, 2^54198010840 is an apocalyptic number.

It is an amenable number.

54198010840 is an abundant number, since it is smaller than the sum of its proper divisors (69287533160).

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

54198010840 is a wasteful number, since it uses less digits than its factorization.

54198010840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38156 (or 38152 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

Adding to 54198010840 its reverse (4801089145), we get a palindrome (58999099985).

The spelling of 54198010840 in words is "fifty-four billion, one hundred ninety-eight million, ten thousand, eight hundred forty".