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40140532237 = 1379113345887
BaseRepresentation
bin100101011000100011…
…111110101000001101
310211121110111022111011
4211120203332220031
51124201434012422
630235034525221
72620501615531
oct453043765015
9124543438434
1040140532237
1116029313a93
127942b96811
133a29217c30
141d2b10dbc1
15109dee6077
hex9588fea0d

40140532237 has 16 divisors (see below), whose sum is σ = 44162979840. Its totient is φ = 36259921152.

The previous prime is 40140532231. The next prime is 40140532247. The reversal of 40140532237 is 73223504104.

It is a happy number.

40140532237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40140532237 - 235 = 5780793869 is a prime.

It is a super-2 number, since 2×401405322372 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40140532199 and 40140532208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140532231) 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, 56893 + ... + 288994.

It is an arithmetic number, because the mean of its divisors is an integer number (2760186240).

Almost surely, 240140532237 is an apocalyptic number.

It is an amenable number.

40140532237 is a deficient number, since it is larger than the sum of its proper divisors (4022447603).

40140532237 is a wasteful number, since it uses less digits than its factorization.

40140532237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346092.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 40140532237 in words is "forty billion, one hundred forty million, five hundred thirty-two thousand, two hundred thirty-seven".

Divisors: 1 13 79 113 1027 1469 8927 116051 345887 4496531 27325073 39085231 355225949 508108003 3087733249 40140532237