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40441740 = 22353718217
BaseRepresentation
bin1001101001000…
…1011110001100
32211002122122020
42122101132030
540323113430
64002450140
71000514643
oct232213614
984078566
1040441740
1120912529
1211663950
1384bc931
14552a35a
15383cb10
hex269178c

40441740 has 48 divisors (see below), whose sum is σ = 116303712. Its totient is φ = 10492416.

The previous prime is 40441721. The next prime is 40441741. The reversal of 40441740 is 4714404.

It is a self number, because there is not a number n which added to its sum of digits gives 40441740.

It is not an unprimeable number, because it can be changed into a prime (40441741) 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, 6889 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (2422994).

Almost surely, 240441740 is an apocalyptic number.

It is an amenable number.

40441740 is an abundant number, since it is smaller than the sum of its proper divisors (75861972).

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

40441740 is a wasteful number, since it uses less digits than its factorization.

40441740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18266 (or 18264 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40441740 is about 6359.3820454506. The cubic root of 40441740 is about 343.2495244793.

The spelling of 40441740 in words is "forty million, four hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 18217 36434 54651 72868 91085 109302 182170 218604 273255 364340 546510 674029 1093020 1348058 2022087 2696116 3370145 4044174 6740290 8088348 10110435 13480580 20220870 40441740