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40070340740 = 2252003517037
BaseRepresentation
bin100101010100011000…
…001110000010000100
310211102120102012212002
4211110120032002010
51124031001400430
630224050244432
72615660163563
oct452430160204
9124376365762
1040070340740
1115aa2732091
127923586718
133a178101c1
141d21a7bbda
151097c7d845
hex95460e084

40070340740 has 12 divisors (see below), whose sum is σ = 84147715596. Its totient is φ = 16028136288.

The previous prime is 40070340731. The next prime is 40070340749. The reversal of 40070340740 is 4704307004.

It is an interprime number because it is at equal distance from previous prime (40070340731) and next prime (40070340749).

It can be written as a sum of positive squares in 2 ways, for example, as 4400730244 + 35669610496 = 66338^2 + 188864^2 .

It is not an unprimeable number, because it can be changed into a prime (40070340749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001758499 + ... + 1001758538.

It is an arithmetic number, because the mean of its divisors is an integer number (7012309633).

Almost surely, 240070340740 is an apocalyptic number.

It is an amenable number.

40070340740 is an abundant number, since it is smaller than the sum of its proper divisors (44077374856).

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

40070340740 is a wasteful number, since it uses less digits than its factorization.

40070340740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003517046 (or 2003517044 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

Adding to 40070340740 its reverse (4704307004), we get a palindrome (44774647744).

The spelling of 40070340740 in words is "forty billion, seventy million, three hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2003517037 4007034074 8014068148 10017585185 20035170370 40070340740