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40060140 = 22351494481
BaseRepresentation
bin1001100011010…
…0010011101100
32210101021011220
42120310103230
540223411030
63550343340
7664335261
oct230642354
983337156
1040060140
112068185a
12114bab50
1383b8033
14546b268
1537b4a10
hex26344ec

40060140 has 48 divisors (see below), whose sum is σ = 112946400. Its totient is φ = 10608640.

The previous prime is 40060087. The next prime is 40060169. The reversal of 40060140 is 4106004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6700 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (2353050).

Almost surely, 240060140 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 40060140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56473200).

40060140 is an abundant number, since it is smaller than the sum of its proper divisors (72886260).

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

40060140 is a wasteful number, since it uses less digits than its factorization.

40060140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40060140 is about 6329.3080190492. The cubic root of 40060140 is about 342.1665000978.

Adding to 40060140 its reverse (4106004), we get a palindrome (44166144).

The spelling of 40060140 in words is "forty million, sixty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 149 298 447 596 745 894 1490 1788 2235 2980 4470 4481 8940 8962 13443 17924 22405 26886 44810 53772 67215 89620 134430 268860 667669 1335338 2003007 2670676 3338345 4006014 6676690 8012028 10015035 13353380 20030070 40060140