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4240388880 = 243657131747
BaseRepresentation
bin1111110010111111…
…0011001100010000
3101221112001002000000
43330233303030100
532141014421010
61540434130000
7210036465540
oct37457631420
911845032000
104240388880
111886652a22
129a4120900
1352767a560
142c324b320
1519c40b7c0
hexfcbf3310

4240388880 has 1120 divisors, whose sum is σ = 19672740864. Its totient is φ = 824131584.

The previous prime is 4240388827. The next prime is 4240388917. The reversal of 4240388880 is 888830424.

It is a happy number.

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 223 ways as a sum of consecutive naturals, for example, 90221017 + ... + 90221063.

Almost surely, 24240388880 is an apocalyptic number.

4240388880 is a gapful number since it is divisible by the number (40) 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 4240388880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9836370432).

4240388880 is an abundant number, since it is smaller than the sum of its proper divisors (15432351984).

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

4240388880 is a wasteful number, since it uses less digits than its factorization.

4240388880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The square root of 4240388880 is about 65118.2684044961. The cubic root of 4240388880 is about 1618.5839477656.

The spelling of 4240388880 in words is "four billion, two hundred forty million, three hundred eighty-eight thousand, eight hundred eighty".