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400244621080 = 23517588595031
BaseRepresentation
bin1011101001100000111…
…00000011111100011000
31102021002201212102000211
411310300130003330120
523024200110333310
6503511515140504
740626302101003
oct5646034037430
91367081772024
10400244621080
11144819721887
12656a1144734
132b987219645
141552c87c53a
15a628118c8a
hex5d30703f18

400244621080 has 32 divisors (see below), whose sum is σ = 953523951840. Its totient is φ = 150680327680.

The previous prime is 400244621057. The next prime is 400244621093. The reversal of 400244621080 is 80126442004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294296836 + ... + 294298195.

It is an arithmetic number, because the mean of its divisors is an integer number (29797623495).

Almost surely, 2400244621080 is an apocalyptic number.

400244621080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400244621080 is an abundant number, since it is smaller than the sum of its proper divisors (553279330760).

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

400244621080 is a wasteful number, since it uses less digits than its factorization.

400244621080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588595059 (or 588595055 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 400244621080 in words is "four hundred billion, two hundred forty-four million, six hundred twenty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 588595031 1177190062 2354380124 2942975155 4708760248 5885950310 10006115527 11771900620 20012231054 23543801240 40024462108 50030577635 80048924216 100061155270 200122310540 400244621080