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40026441 = 3713146617
BaseRepresentation
bin1001100010110…
…0000101001001
32210022112221210
42120230011021
540221321231
63545523333
7664135110
oct230540511
983275853
1040026441
1120659504
12114a3549
1383a58b0
14545cc77
1537a9a46
hex262c149

40026441 has 16 divisors (see below), whose sum is σ = 65684864. Its totient is φ = 21112704.

The previous prime is 40026433. The next prime is 40026451. The reversal of 40026441 is 14462004.

It is not a de Polignac number, because 40026441 - 23 = 40026433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (40026451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73036 + ... + 73581.

It is an arithmetic number, because the mean of its divisors is an integer number (4105304).

Almost surely, 240026441 is an apocalyptic number.

It is an amenable number.

40026441 is a deficient number, since it is larger than the sum of its proper divisors (25658423).

40026441 is a wasteful number, since it uses less digits than its factorization.

40026441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146640.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40026441 is about 6326.6453195987. The cubic root of 40026441 is about 342.0705285274.

Adding to 40026441 its reverse (14462004), we get a palindrome (54488445).

The spelling of 40026441 in words is "forty million, twenty-six thousand, four hundred forty-one".

Divisors: 1 3 7 13 21 39 91 273 146617 439851 1026319 1906021 3078957 5718063 13342147 40026441