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40031032230 = 23257374761599
BaseRepresentation
bin100101010010000010…
…010001001110100110
310211022211110010201100
4211102002101032212
51123440421012410
630220123540530
72615002105530
oct452202211646
9124284403640
1040031032230
1115a82524012
12791238a746
133a0c629327
141d1a768850
1510945b68c0
hex9520913a6

40031032230 has 384 divisors, whose sum is σ = 127020441600. Its totient is φ = 8556088320.

The previous prime is 40031032211. The next prime is 40031032253. The reversal of 40031032230 is 3223013004.

40031032230 is a `hidden beast` number, since 4 + 0 + 0 + 310 + 322 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 66829471 + ... + 66830069.

It is an arithmetic number, because the mean of its divisors is an integer number (330782400).

Almost surely, 240031032230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40031032230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63510220800).

40031032230 is an abundant number, since it is smaller than the sum of its proper divisors (86989409370).

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

40031032230 is a wasteful number, since it uses less digits than its factorization.

40031032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 40031032230 its reverse (3223013004), we get a palindrome (43254045234).

The spelling of 40031032230 in words is "forty billion, thirty-one million, thirty-two thousand, two hundred thirty".