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40311011240 = 2351007775281
BaseRepresentation
bin100101100010101110…
…010011011110101000
310212001100021112201022
4211202232103132220
51130024104324430
630304004512012
72624641641053
oct454256233650
9125040245638
1040311011240
1116106573425
1279900ab608
133a55637296
141d45a09a9a
1510ade6d4e5
hex962b937a8

40311011240 has 16 divisors (see below), whose sum is σ = 90699775380. Its totient is φ = 16124404480.

The previous prime is 40311011177. The next prime is 40311011291. The reversal of 40311011240 is 4211011304.

It is a happy number.

40311011240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37638328036 + 2672683204 = 194006^2 + 51698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503887601 + ... + 503887680.

Almost surely, 240311011240 is an apocalyptic number.

40311011240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40311011240 is an abundant number, since it is smaller than the sum of its proper divisors (50388764140).

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

40311011240 is a wasteful number, since it uses less digits than its factorization.

40311011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007775292 (or 1007775288 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40311011240 its reverse (4211011304), we get a palindrome (44522022544).

The spelling of 40311011240 in words is "forty billion, three hundred eleven million, eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1007775281 2015550562 4031101124 5038876405 8062202248 10077752810 20155505620 40311011240