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40000055005 = 5311491731979
BaseRepresentation
bin100101010000001100…
…000110011011011101
310211020200011022221201
4211100030012123131
51123410003230010
630213055555501
72614144600111
oct452014063335
9124220138851
1040000055005
1115a66a963a9
127903b2bb91
133a060a1601
141d165c3741
1510919e823a
hex9503066dd

40000055005 has 16 divisors (see below), whose sum is σ = 49881024000. Its totient is φ = 30759929280.

The previous prime is 40000054957. The next prime is 40000055041. The reversal of 40000055005 is 50055000004.

It is a happy number.

It is not a de Polignac number, because 40000055005 - 27 = 40000054877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842895 + ... + 889084.

It is an arithmetic number, because the mean of its divisors is an integer number (3117564000).

Almost surely, 240000055005 is an apocalyptic number.

It is an amenable number.

40000055005 is a deficient number, since it is larger than the sum of its proper divisors (9880968995).

40000055005 is a wasteful number, since it uses less digits than its factorization.

40000055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732164.

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 40000055005 its reverse (50055000004), we get a palindrome (90055055009).

The spelling of 40000055005 in words is "forty billion, fifty-five thousand, five".

Divisors: 1 5 31 149 155 745 4619 23095 1731979 8659895 53691349 258064871 268456745 1290324355 8000011001 40000055005