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40030555376 = 247357415673
BaseRepresentation
bin100101010010000000…
…011100110011110000
310211022210112220121002
4211102000130303300
51123440310233001
630220105421132
72614665051350
oct452200346360
9124283486532
1040030555376
1115a82228819
12791219a7a8
133a0c4c0276
141d1a682b60
15109452046b
hex95201ccf0

40030555376 has 20 divisors (see below), whose sum is σ = 88639087152. Its totient is φ = 17155952256.

The previous prime is 40030555349. The next prime is 40030555379. The reversal of 40030555376 is 67355503004.

It is a super-3 number, since 3×400305553763 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030555379) 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, 178707725 + ... + 178707948.

Almost surely, 240030555376 is an apocalyptic number.

It is an amenable number.

40030555376 is an abundant number, since it is smaller than the sum of its proper divisors (48608531776).

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

40030555376 is a wasteful number, since it uses less digits than its factorization.

40030555376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357415688 (or 357415682 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 40030555376 in words is "forty billion, thirty million, five hundred fifty-five thousand, three hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 357415673 714831346 1429662692 2501909711 2859325384 5003819422 5718650768 10007638844 20015277688 40030555376