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40414140 = 223451319101
BaseRepresentation
bin1001101000101…
…0101110111100
32211001020210000
42122022232330
540321223030
64002114300
71000341324
oct232125674
984036700
1040414140
11208a3818
121164b990
1384b01c0
145520284
153834860
hex268abbc

40414140 has 240 divisors, whose sum is σ = 145141920. Its totient is φ = 9331200.

The previous prime is 40414133. The next prime is 40414181. The reversal of 40414140 is 4141404.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 400090 + ... + 400190.

It is an arithmetic number, because the mean of its divisors is an integer number (604758).

Almost surely, 240414140 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 40414140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72570960).

40414140 is an abundant number, since it is smaller than the sum of its proper divisors (104727780).

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

40414140 is a wasteful number, since it uses less digits than its factorization.

40414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40414140 is about 6357.2116529183. The cubic root of 40414140 is about 343.1714216509.

Adding to 40414140 its reverse (4141404), we get a palindrome (44555544).

The spelling of 40414140 in words is "forty million, four hundred fourteen thousand, one hundred forty".