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40475025220 = 2257289107323
BaseRepresentation
bin100101101100011111…
…111101111101000100
310212110202220022121011
4211230133331331010
51130343101301340
630332144132004
72632003015660
oct455437757504
9125422808534
1040475025220
1116190107573
127a17007004
133a80601a86
141d5d7018a0
1510bd56a0ea
hex96c7fdf44

40475025220 has 24 divisors (see below), whose sum is σ = 97140060864. Its totient is φ = 13877151456.

The previous prime is 40475025193. The next prime is 40475025221. The reversal of 40475025220 is 2252057404.

It is not an unprimeable number, because it can be changed into a prime (40475025221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144553522 + ... + 144553801.

It is an arithmetic number, because the mean of its divisors is an integer number (4047502536).

Almost surely, 240475025220 is an apocalyptic number.

It is an amenable number.

40475025220 is an abundant number, since it is smaller than the sum of its proper divisors (56665035644).

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

40475025220 is a wasteful number, since it uses less digits than its factorization.

40475025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289107339 (or 289107337 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The spelling of 40475025220 in words is "forty billion, four hundred seventy-five million, twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 289107323 578214646 1156429292 1445536615 2023751261 2891073230 4047502522 5782146460 8095005044 10118756305 20237512610 40475025220