54403320434440 has 32 divisors (see below), whose sum is σ = 124414150835160. Its totient is φ = 21404585088000.

The previous prime is 54403320434383. The next prime is 54403320434471. The reversal of 54403320434440 is 4443402330445.

It can be written as a sum of positive squares in 4 ways, for example, as 43359090596644 + 11044229837796 = 6584762^2 + 3323286^2 .

It is a super-2 number, since 2×54403320434440² (a number of 28 digits) contains 22 as substring.

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 = 54403320434393 and 54403320434402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11148218961 + ... + 11148223840.

Almost surely, 2^{54403320434440} is an apocalyptic number.

It is an amenable number.

54403320434440 is an abundant number, since it is smaller than the sum of its proper divisors (70010830400720).

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

54403320434440 is a wasteful number, since it uses less digits than its factorization.

54403320434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296442873 (or 22296442869 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 54403320434440 its reverse (4443402330445), we get a palindrome (58846722764885).

The spelling of 54403320434440 in words is "fifty-four trillion, four hundred three billion, three hundred twenty million, four hundred thirty-four thousand, four hundred forty".