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40443425 = 52111741211
BaseRepresentation
bin1001101001000…
…1111000100001
32211002201221122
42122101320201
540323142200
64002502025
71000522601
oct232217041
984081848
1040443425
1120913820
1211664915
1384c0629
14552ac01
15383d385
hex2691e21

40443425 has 48 divisors (see below), whose sum is σ = 59621184. Its totient is φ = 26880000.

The previous prime is 40443413. The next prime is 40443433. The reversal of 40443425 is 52434404.

40443425 = T399 + T400 + ... + T673.

It is not a de Polignac number, because 40443425 - 24 = 40443409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40443394 and 40443403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191570 + ... + 191780.

It is an arithmetic number, because the mean of its divisors is an integer number (1242108).

Almost surely, 240443425 is an apocalyptic number.

It is an amenable number.

40443425 is a deficient number, since it is larger than the sum of its proper divisors (19177759).

40443425 is a wasteful number, since it uses less digits than its factorization.

40443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40443425 is about 6359.5145254964. The cubic root of 40443425 is about 343.2542915625.

Adding to 40443425 its reverse (52434404), we get a palindrome (92877829).

The spelling of 40443425 in words is "forty million, four hundred forty-three thousand, four hundred twenty-five".