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40485665874 = 236747610979
BaseRepresentation
bin100101101101001000…
…100011110001010010
310212111111220220211110
4211231020203301102
51130403312301444
630333204154150
72632162324203
oct455510436122
9125444826743
1040485665874
1116196114aa5
127a1a698956
133a82889114
141d60cb15aa
1510be46ccb9
hex96d223c52

40485665874 has 8 divisors (see below), whose sum is σ = 80971331760. Its totient is φ = 13495221956.

The previous prime is 40485665827. The next prime is 40485665887. The reversal of 40485665874 is 47856658404.

It is a sphenic number, since it is the product of 3 distinct primes.

40485665874 is an admirable number.

It is a super-2 number, since 2×404856658742 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373805484 + ... + 3373805495.

It is an arithmetic number, because the mean of its divisors is an integer number (10121416470).

Almost surely, 240485665874 is an apocalyptic number.

40485665874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40485665874 is a wasteful number, since it uses less digits than its factorization.

40485665874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747610984.

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 40485665874 in words is "forty billion, four hundred eighty-five million, six hundred sixty-five thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 6747610979 13495221958 20242832937 40485665874