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40880044 = 2210220011
BaseRepresentation
bin1001101111110…
…0011110101100
32211220220212201
42123330132230
540431130134
64020111244
71004321542
oct233743654
984826781
1040880044
1121091867
1211835524
13861429a
145601d92
1538c7914
hex26fc7ac

40880044 has 6 divisors (see below), whose sum is σ = 71540084. Its totient is φ = 20440020.

The previous prime is 40880033. The next prime is 40880069. The reversal of 40880044 is 44008804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40879994 and 40880021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110002 + ... + 5110009.

Almost surely, 240880044 is an apocalyptic number.

It is an amenable number.

40880044 is a deficient number, since it is larger than the sum of its proper divisors (30660040).

40880044 is a wasteful number, since it uses less digits than its factorization.

40880044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220015 (or 10220013 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 40880044 is about 6393.7503861192. The cubic root of 40880044 is about 344.4851074513.

Adding to 40880044 its reverse (44008804), we get a palindrome (84888848).

The spelling of 40880044 in words is "forty million, eight hundred eighty thousand, forty-four".

Divisors: 1 2 4 10220011 20440022 40880044