54281242440 has 48 divisors (see below), whose sum is σ = 176414039100. Its totient is φ = 14474997888.

The previous prime is 54281242357. The next prime is 54281242453. The reversal of 54281242440 is 4424218245.

It can be written as a sum of positive squares in 2 ways, for example, as 52937726724 + 1343515716 = 230082^2 + 36654^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 54281242395 and 54281242404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75390255 + ... + 75390974.

Almost surely, 2^54281242440 is an apocalyptic number.

It is an amenable number.

54281242440 is an abundant number, since it is smaller than the sum of its proper divisors (122132796660).

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

54281242440 is a wasteful number, since it uses less digits than its factorization.

54281242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150781246 (or 150781239 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

The spelling of 54281242440 in words is "fifty-four billion, two hundred eighty-one million, two hundred forty-two thousand, four hundred forty".