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40445440054 = 220222720027
BaseRepresentation
bin100101101010101111…
…000111000000110110
310212101201020020101021
4211222233013000312
51130313013040204
630325210051354
72631163365565
oct455257070066
9125351206337
1040445440054
111617543a818
127a09119b5a
133a77443866
141d597ddbdc
1510bab74154
hex96abc7036

40445440054 has 4 divisors (see below), whose sum is σ = 60668160084. Its totient is φ = 20222720026.

The previous prime is 40445439953. The next prime is 40445440103. The reversal of 40445440054 is 45004454404.

40445440054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111360012 + ... + 10111360015.

It is an arithmetic number, because the mean of its divisors is an integer number (15167040021).

Almost surely, 240445440054 is an apocalyptic number.

40445440054 is a deficient number, since it is larger than the sum of its proper divisors (20222720030).

40445440054 is a wasteful number, since it uses less digits than its factorization.

40445440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222720029.

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 40445440054 its reverse (45004454404), we get a palindrome (85449894458).

The spelling of 40445440054 in words is "forty billion, four hundred forty-five million, four hundred forty thousand, fifty-four".

Divisors: 1 2 20222720027 40445440054