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40080800800 = 255250101001
BaseRepresentation
bin100101010101000000…
…000111110000100000
310211110022002122100201
4211111000013300200
51124041141111200
630225102354544
72616145120435
oct452500076040
9124408078321
1040080800800
1115aa8626967
127926b8ba54
133a19a332a1
141d23201b8c
151098b47c6a
hex955007c20

40080800800 has 36 divisors (see below), whose sum is σ = 97847256906. Its totient is φ = 16032320000.

The previous prime is 40080800779. The next prime is 40080800831. The reversal of 40080800800 is 800808004.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 38004722704 + 2076078096 = 194948^2 + 45564^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25049701 + ... + 25051300.

Almost surely, 240080800800 is an apocalyptic number.

40080800800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40080800800 is an abundant number, since it is smaller than the sum of its proper divisors (57766456106).

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

40080800800 is a wasteful number, since it uses less digits than its factorization.

40080800800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50101021 (or 50101008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 40080800800 in words is "forty billion, eighty million, eight hundred thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 50101001 100202002 200404004 250505005 400808008 501010010 801616016 1002020020 1252525025 1603232032 2004040040 2505050050 4008080080 5010100100 8016160160 10020200200 20040400400 40080800800