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88235020440 = 2335571776283
BaseRepresentation
bin101001000101100110…
…1111001000010011000
322102202020202110100000
41102023031321002120
52421201131123230
6104311250413000
76242355204360
oct1221315710230
9272666673300
1088235020440
11344694068a6
1215125891160
138422274388
1443b073d9a0
15246643eb60
hex148b379098

88235020440 has 384 divisors, whose sum is σ = 359865192960. Its totient is φ = 18981402624.

The previous prime is 88235020427. The next prime is 88235020459. The reversal of 88235020440 is 4402053288.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 88235020395 and 88235020404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1118539 + ... + 1194821.

It is an arithmetic number, because the mean of its divisors is an integer number (937148940).

Almost surely, 288235020440 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 88235020440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179932596480).

88235020440 is an abundant number, since it is smaller than the sum of its proper divisors (271630172520).

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

88235020440 is a wasteful number, since it uses less digits than its factorization.

88235020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76333 (or 76317 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 88235020440 in words is "eighty-eight billion, two hundred thirty-five million, twenty thousand, four hundred forty".