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40607140 = 2257893259
BaseRepresentation
bin1001101011100…
…1110110100100
32211102001112011
42122321312210
540343412030
64010204004
71002104110
oct232716644
984361464
1040607140
1120a15822
1211723604
138549cc2
145570740
153871b2a
hex26b9da4

40607140 has 48 divisors (see below), whose sum is σ = 98582400. Its totient is φ = 13761792.

The previous prime is 40607129. The next prime is 40607191. The reversal of 40607140 is 4170604.

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, 10831 + ... + 14089.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 240607140 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 40607140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49291200).

40607140 is an abundant number, since it is smaller than the sum of its proper divisors (57975260).

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

40607140 is a wasteful number, since it uses less digits than its factorization.

40607140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40607140 is about 6372.3731843011. The cubic root of 40607140 is about 343.7168325023.

Adding to 40607140 its reverse (4170604), we get a palindrome (44777744).

The spelling of 40607140 in words is "forty million, six hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 3259 6230 6518 12460 13036 16295 22813 32590 45626 65180 91252 114065 228130 290051 456260 580102 1160204 1450255 2030357 2900510 4060714 5801020 8121428 10151785 20303570 40607140