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40745640030 = 23519292464951
BaseRepresentation
bin100101111100101000…
…010010000001011110
310220011122002222022220
4211330220102001132
51131421340440110
630415052250210
72641500140304
oct457450220136
9126148088286
1040745640030
1116309940477
127a91770966
133ac46b1694
141d87626274
1510d71c2370
hex97ca1205e

40745640030 has 64 divisors (see below), whose sum is σ = 106485926400. Its totient is φ = 9938678400.

The previous prime is 40745639969. The next prime is 40745640073. The reversal of 40745640030 is 3004654704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40745639973 and 40745640000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215946 + ... + 1249005.

It is an arithmetic number, because the mean of its divisors is an integer number (1663842600).

Almost surely, 240745640030 is an apocalyptic number.

40745640030 is an abundant number, since it is smaller than the sum of its proper divisors (65740286370).

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

40745640030 is a wasteful number, since it uses less digits than its factorization.

40745640030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465009.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 40745640030 in words is "forty billion, seven hundred forty-five million, six hundred forty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 29 30 38 57 58 87 95 114 145 174 190 285 290 435 551 570 870 1102 1653 2755 3306 5510 8265 16530 2464951 4929902 7394853 12324755 14789706 24649510 36974265 46834069 71483579 73948530 93668138 140502207 142967158 214450737 234170345 281004414 357417895 428901474 468340690 702511035 714835790 1072253685 1358188001 1405022070 2144507370 2716376002 4074564003 6790940005 8149128006 13581880010 20372820015 40745640030