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44040040442020 = 2257314571717443
BaseRepresentation
bin10100000001101110111101…
…11101110110100010100100
312202221012001010202220202201
422000313132331312202210
521233023000323121040
6233355414255544244
712163534154146330
oct1200673675664244
9182835033686681
1044040040442020
111303a304787437
124b3330852b084
131b75c5b93552c
14ac37995127c0
155158b0eeba9a
hex280ddef768a4

44040040442020 has 24 divisors (see below), whose sum is σ = 105696097061184. Its totient is φ = 15099442437216.

The previous prime is 44040040441979. The next prime is 44040040442113. The reversal of 44040040442020 is 2024404004044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 44040040442020.

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, 157285858582 + ... + 157285858861.

It is an arithmetic number, because the mean of its divisors is an integer number (4404004044216).

Almost surely, 244040040442020 is an apocalyptic number.

It is an amenable number.

44040040442020 is an abundant number, since it is smaller than the sum of its proper divisors (61656056619164).

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

44040040442020 is a wasteful number, since it uses less digits than its factorization.

44040040442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314571717459 (or 314571717457 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44040040442020 its reverse (2024404004044), we get a palindrome (46064444446064).

The spelling of 44040040442020 in words is "forty-four trillion, forty billion, forty million, four hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 314571717443 629143434886 1258286869772 1572858587215 2202002022101 3145717174430 4404004044202 6291434348860 8808008088404 11010010110505 22020020221010 44040040442020