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40880393941 = 89459330269
BaseRepresentation
bin100110000100101010…
…010100111011010101
310220112000200011221111
4212010222110323111
51132210340101231
630440304415021
72645024420662
oct460452247325
9126460604844
1040880393941
1116378a0a042
127b0a917471
133b165a2c1a
141d9b4a2a69
1510e3e3e4b1
hex984a94ed5

40880393941 has 4 divisors (see below), whose sum is σ = 41339724300. Its totient is φ = 40421063584.

The previous prime is 40880393933. The next prime is 40880393963. The reversal of 40880393941 is 14939308804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25817741041 + 15062652900 = 160679^2 + 122730^2 .

It is a cyclic number.

It is not a de Polignac number, because 40880393941 - 23 = 40880393933 is a prime.

It is a super-2 number, since 2×408803939412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880393921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229665046 + ... + 229665223.

It is an arithmetic number, because the mean of its divisors is an integer number (10334931075).

Almost surely, 240880393941 is an apocalyptic number.

It is an amenable number.

40880393941 is a deficient number, since it is larger than the sum of its proper divisors (459330359).

40880393941 is an equidigital number, since it uses as much as digits as its factorization.

40880393941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459330358.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 40880393941 in words is "forty billion, eight hundred eighty million, three hundred ninety-three thousand, nine hundred forty-one".

Divisors: 1 89 459330269 40880393941