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40160749860 = 223357211314451
BaseRepresentation
bin100101011001110001…
…000110100100100100
310211122212112110212000
4211121301012210210
51124222122443420
630241040125300
72621135512200
oct453161064444
9124585473760
1040160749860
1116039772870
127949906830
133a3047641a
141d2da93b00
1510a0b8b690
hex959c46924

40160749860 has 576 divisors, whose sum is σ = 163708231680. Its totient is φ = 8074080000.

The previous prime is 40160749831. The next prime is 40160749897. The reversal of 40160749860 is 6894706104.

40160749860 is a `hidden beast` number, since 40 + 1 + 60 + 7 + 498 + 60 = 666.

It is a super-2 number, since 2×401607498602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9020635 + ... + 9025085.

It is an arithmetic number, because the mean of its divisors is an integer number (284215680).

Almost surely, 240160749860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40160749860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81854115840).

40160749860 is an abundant number, since it is smaller than the sum of its proper divisors (123547481820).

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

40160749860 is a wasteful number, since it uses less digits than its factorization.

40160749860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40160749860 in words is "forty billion, one hundred sixty million, seven hundred forty-nine thousand, eight hundred sixty".