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40404146800 = 2452101010367
BaseRepresentation
bin100101101000010001…
…100101101001110000
310212021211112022200111
4211220101211221300
51130221430144200
630321133031104
72630152403233
oct455021455160
9125254468614
1040404146800
11161540a6566
1279b7325494
133a6ba16494
141d5413141a
1510b72190ba
hex968465a70

40404146800 has 30 divisors (see below), whose sum is σ = 97070963648. Its totient is φ = 16161658560.

The previous prime is 40404146791. The next prime is 40404146801. The reversal of 40404146800 is 864140404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404146801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50504784 + ... + 50505583.

Almost surely, 240404146800 is an apocalyptic number.

40404146800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40404146800 is an abundant number, since it is smaller than the sum of its proper divisors (56666816848).

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

40404146800 is a wasteful number, since it uses less digits than its factorization.

40404146800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010385 (or 101010374 counting only the distinct ones).

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

The spelling of 40404146800 in words is "forty billion, four hundred four million, one hundred forty-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 101010367 202020734 404041468 505051835 808082936 1010103670 1616165872 2020207340 2525259175 4040414680 5050518350 8080829360 10101036700 20202073400 40404146800