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3880799540640 = 253651117181983
BaseRepresentation
bin111000011110010001101…
…011011001010110100000
3111202000000120222222000000
4320132101223121112200
51002040334140300030
612130451550300000
7550243554552021
oct70362153312640
914660016888000
103880799540640
111266924194240
1252815bab7600
13221c5b463149
14d5b90282c48
156ae362da860
hex38791ad95a0

3880799540640 has 1344 divisors, whose sum is σ = 15982039487232. Its totient is φ = 879670886400.

The previous prime is 3880799540621. The next prime is 3880799540647. The reversal of 3880799540640 is 460459970883.

3880799540640 is a `hidden beast` number, since 3 + 8 + 80 + 7 + 9 + 9 + 540 + 6 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (3880799540647) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 3947913589 + ... + 3947914571.

It is an arithmetic number, because the mean of its divisors is an integer number (11891398428).

Almost surely, 23880799540640 is an apocalyptic number.

3880799540640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3880799540640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7991019743616).

3880799540640 is an abundant number, since it is smaller than the sum of its proper divisors (12101239946592).

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

3880799540640 is a wasteful number, since it uses less digits than its factorization.

3880799540640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 3880799540640 in words is "three trillion, eight hundred eighty billion, seven hundred ninety-nine million, five hundred forty thousand, six hundred forty".