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40013200220 = 225717243109211
BaseRepresentation
bin100101010000111110…
…001111101101011100
310211021120220011210112
4211100332033231130
51123421334401340
630214245425152
72614364406260
oct452076175534
9124246804715
1040013200220
1115a73454614
12790840b1b8
133a08a24946
141d182460a0
151092c43065
hex950f8fb5c

40013200220 has 288 divisors, whose sum is σ = 105842204160. Its totient is φ = 12436623360.

The previous prime is 40013200217. The next prime is 40013200229. The reversal of 40013200220 is 2200231004.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 40013200195 and 40013200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013200229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 189635915 + ... + 189636125.

Almost surely, 240013200220 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 40013200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52921102080).

40013200220 is an abundant number, since it is smaller than the sum of its proper divisors (65829003940).

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

40013200220 is a wasteful number, since it uses less digits than its factorization.

40013200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 40013200220 its reverse (2200231004), we get a palindrome (42213431224).

The spelling of 40013200220 in words is "forty billion, thirteen million, two hundred thousand, two hundred twenty".